| Acadian Flycatcher | Photo | Attila Oláh | CC BY 4.0 | iNaturalist |
| Acadian Flycatcher | Photo | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| Acadian Flycatcher | Sound | Leila Dasher | CC BY 4.0 | iNaturalist |
| Acorn Woodpecker | Photo | Artush | Standard licence | Shutterstock #2705534903 |
| Acorn Woodpecker | Sound | elkins456 | CC0 1.0 | iNaturalist |
| Agami Heron | Photo | Adobe Stock #486605874 | Enhanced licence | Adobe Stock #486605874 |
| Agami Heron | Sound | Andrew Spencer | CC BY-SA 4.0 | Wikimedia Commons |
| Aguila de Osa Inn | Photo | Aguila de Osa Inn | Lodge photo | The lodge |
| Alder Flycatcher | Photo | Joshua Smith | CC0 1.0 | iNaturalist |
| Alder Flycatcher | Sound | Noah Frade | CC BY 4.0 | iNaturalist |
| Amazon Kingfisher | Photo | Adobe Stock #630263973 | Enhanced licence | Adobe Stock #630263973 |
| Amazon Kingfisher | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| American Avocet | Photo | MarvalPhotography19 | CC BY 4.0 | iNaturalist |
| American Avocet | Sound | Liam Steele | CC BY 4.0 | iNaturalist |
| American Barn Owl | Photo | Vargas Alisson | CC BY 4.0 | iNaturalist |
| American Barn Owl | Sound | Josiah Londerée | CC BY 4.0 | iNaturalist |
| American Bittern | Photo | vagabond54 | Standard licence | Shutterstock #2479285145 |
| American Bittern | Sound | Erika Mitchell | CC BY 4.0 | iNaturalist |
| American Coot | Photo | Jonathan Eisen | CC BY 4.0 | iNaturalist |
| American Coot | Sound | Logan Otremba | CC BY 4.0 | iNaturalist |
| American Dipper | Photo | Rajan Rao | CC BY 4.0 | iNaturalist |
| American Dipper | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| American Flamingo | Photo | Michelle Monge-Velazquez | CC BY 4.0 | iNaturalist |
| American Flamingo | Sound | Konshau Duman | CC BY 4.0 | iNaturalist |
| American Golden-Plover | Photo | Owen Strickland | CC BY 4.0 | iNaturalist |
| American Golden-Plover | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| American Herring Gull | Photo | Mila C. | CC BY 4.0 | iNaturalist |
| American Herring Gull | Sound | Eric Schmidt | CC BY 4.0 | iNaturalist |
| American Kestrel | Photo | Diego Grandi | Standard licence | Shutterstock #2404101577 |
| American Kestrel | Sound | Priyantha Wijesinghe | CC BY 4.0 | iNaturalist |
| American Oystercatcher | Photo | Yvan Papa | CC BY 4.0 | iNaturalist |
| American Oystercatcher | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| American Pipit | Photo | Christoph Moning | CC BY 4.0 | iNaturalist |
| American Pipit | Sound | Thomas Koffel | CC BY 4.0 | iNaturalist |
| American Pygmy Kingfisher | Photo | Thomas Ebner | CC BY 4.0 | iNaturalist |
| American Redstart | Photo | Malo Ramírez | CC0 1.0 | iNaturalist |
| American Redstart | Sound | cvharris | CC0 1.0 | iNaturalist |
| American White Pelican | Photo | Daughter Dad | CC BY 4.0 | iNaturalist |
| American White Pelican | Sound | Jonathon Jongsma | CC BY-SA 3.0 | Wikimedia Commons |
| American Wigeon | Photo | Kalvin Chan | CC BY 4.0 | iNaturalist |
| American Wigeon | Sound | Fyn Kynd | CC BY-SA 4.0 | iNaturalist |
| Anhinga | Photo | José 16 | Enhanced licence | Adobe Stock #24073638 |
| Anhinga | Photo | Josiah Londerée | CC BY 4.0 | iNaturalist |
| Anhinga | Sound | Jeffrey Harris | CC BY 4.0 | iNaturalist |
| Aplomado Falcon | Photo | slowmotiongli | Standard licence | Shutterstock #1619052673 |
| Aplomado Falcon | Sound | Rodrigo Paiva Lazaro | CC BY 4.0 | iNaturalist |
| Arctic Tern | Photo | Anthony Batista | CC BY 4.0 | iNaturalist |
| Arctic Tern | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Arenal Lodge | Photo | Arenal Lodge | Lodge photo | The lodge |
| Arenal Manoa | Photo | Arenal Manoa | Lodge photo | The lodge |
| Arenal Oasis Ecolodge & Wildlife Refuge | Photo | Arenal Oasis Ecolodge & Wildlife Refuge | Lodge photo | The lodge |
| Arenal Observatory Lodge | Photo | Arenal Observatory Lodge | Lodge photo | The lodge |
| Ash-throated Flycatcher | Photo | Matt Felperin | CC BY 4.0 | iNaturalist |
| Ash-throated Flycatcher | Sound | Jonathan Layman | CC BY 4.0 | iNaturalist |
| Ashy-throated Chlorospingus | Photo | David A. Rodríguez Arias | CC BY 4.0 | iNaturalist |
| Ashy-throated Chlorospingus | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Atlantic Yellow-nosed Albatross | Photo | Hugo Hulsberg | CC0 1.0 | iNaturalist |
| Autentico | Photo | Autentico | Lodge photo | The lodge |
| Azure-hooded Jay | Photo | tomas_kay | CC BY 4.0 | iNaturalist |
| Azure-hooded Jay | Sound | alicia penney | CC BY 4.0 | iNaturalist |
| Baird's Sandpiper | Photo | Andrés Mora Fallas | CC BY 4.0 | iNaturalist |
| Baird's Sandpiper | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Baird's Trogon | Photo | Adobe Stock #351645864 | Enhanced licence | Adobe Stock #351645864 |
| Baird's Trogon | Photo | Adobe Stock #421877390 | Enhanced licence | Adobe Stock #421877390 |
| Baird's Trogon | Photo | Christine Braaten | CC0 1.0 | iNaturalist |
| Baird's Trogon | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Baltimore Oriole | Photo | Teresa | Enhanced licence | Adobe Stock #2071134968 |
| Baltimore Oriole | Sound | Noah Frade | CC BY 4.0 | iNaturalist |
| Bananaquit | Photo | avocat | CC BY 4.0 | iNaturalist |
| Bananaquit | Sound | Daniel Linzbauer | CC BY 4.0 | iNaturalist |
| Band-backed Wren | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Band-backed Wren | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Band-rumped Storm-Petrel | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Band-tailed Barbthroat | Photo | David Rankin | CC BY 4.0 | iNaturalist |
| Band-tailed Barbthroat | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Band-tailed Pigeon | Photo | Tyler | Enhanced licence | Adobe Stock #1297446034 |
| Band-tailed Pigeon | Sound | Steve Taylor | CC BY 4.0 | iNaturalist |
| Banded Wren | Photo | Joshua Smith | CC0 1.0 | iNaturalist |
| Banded Wren | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Bank Swallow | Photo | Andrew Holle | CC BY 4.0 | iNaturalist |
| Bank Swallow | Sound | Susan Marley | CC BY 4.0 | iNaturalist |
| Bare-crowned Antbird | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Bare-crowned Antbird | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Bare-faced Ibis | Photo | Breno Figueiredo | CC BY 4.0 | iNaturalist |
| Bare-necked Umbrellabird | Photo | Adobe Stock #590624217 | Enhanced licence | Adobe Stock #590624217 |
| Bare-necked Umbrellabird | Photo | Adobe Stock #672385287 | Enhanced licence | Adobe Stock #672385287 |
| Bare-shanked Screech-Owl | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #219273827 |
| Bare-shanked Screech-Owl | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Bare-throated Tiger-Heron | Photo | Adobe Stock #2445471701 | Enhanced licence | Adobe Stock #2445471701 |
| Bare-throated Tiger-Heron | Photo | Adobe Stock #379138618 | Enhanced licence | Adobe Stock #379138618 |
| Bare-throated Tiger-Heron | Sound | Hersson Ramírez | CC BY 4.0 | iNaturalist |
| Barn Swallow | Photo | Andre Knocklein | CC BY 4.0 | iNaturalist |
| Barn Swallow | Sound | Kieran Roy Powell | CC BY 4.0 | iNaturalist |
| Barred Antshrike | Photo | Ken-ichi Ueda | CC BY 4.0 | iNaturalist |
| Barred Antshrike | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Barred Becard | Photo | Dan Vickers | CC BY 4.0 | iNaturalist |
| Barred Becard | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Barred Forest-Falcon | Photo | Eridan Xharahi | CC BY 4.0 | iNaturalist |
| Barred Forest-Falcon | Sound | Claudio Martins de Souza | CC BY-SA 4.0 | iNaturalist |
| Barred Hawk | Photo | Caleb | Enhanced licence | Adobe Stock #2226441349 |
| Barred Parakeet | Photo | Timo Helgert | CC BY 2.0 | Wikimedia Commons |
| Barred Parakeet | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Bat Falcon | Photo | rowan_m | CC BY 4.0 | iNaturalist |
| Bat Falcon | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Bay Wren | Photo | Federico Muñoz | CC0 1.0 | iNaturalist |
| Bay Wren | Sound | Martin Jung | CC BY 4.0 | iNaturalist |
| Bay-breasted Warbler | Photo | avocat | CC BY 4.0 | iNaturalist |
| Bay-breasted Warbler | Sound | Mary E. Macaulay, P.Eng. | CC BY 4.0 | iNaturalist |
| Bay-headed Tanager | Photo | Ji | Enhanced licence | Adobe Stock #1347593678 |
| Bay-headed Tanager | Sound | Guillaume Delaitre | CC BY 4.0 | iNaturalist |
| Belted Kingfisher | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Belted Kingfisher | Sound | ben142 | CC0 1.0 | iNaturalist |
| Bicolored Antbird | Photo | Rajan Rao | CC BY 4.0 | iNaturalist |
| Bicolored Antbird | Sound | Eric Schmidt | CC BY 4.0 | iNaturalist |
| Bicolored Hawk | Photo | Dan Riley | CC BY 4.0 | iNaturalist |
| Bicolored Hawk | Sound | Gabriel Reinoso Franchino | CC BY 4.0 | iNaturalist |
| Birder | Photo | STOCKEROcr | Enhanced licence | Adobe Stock #1844717443 |
| Birder on a cabin balcony | Photo | Adobe Stock #543973702 | Enhanced licence | Adobe Stock #543973702 |
| Birder with a telephoto lens in the rain forest | Photo | Eder Paisan | Standard licence | Shutterstock #2496433329 |
| Birders in raincoats in the rain forest | Photo | iJeab | Standard licence | Shutterstock #2503580275 |
| Birders with binoculars and a field guide | Photo | PeopleImages | Standard licence | Shutterstock #2614183753 |
| Birding boat in Tortuguero | Photo | Adobe Stock #438524004 | Enhanced licence | Adobe Stock #438524004 |
| Black Guan | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #109769643 |
| Black Guan | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Black Hawk-Eagle | Photo | Diego Grandi | Standard licence | Shutterstock #2423869937 |
| Black Hawk-Eagle | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Black Noddy | Photo | Angela | Enhanced licence | Adobe Stock #2226656210 |
| Black Phoebe | Photo | Florencia Grattarola | CC BY 4.0 | iNaturalist |
| Black Phoebe | Sound | Liam Steele | CC BY 4.0 | iNaturalist |
| Black Rail | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Black Rail | Photo | Rob Williams | CC BY 4.0 | iNaturalist |
| Black Rail | Sound | Noah Frade | CC BY 4.0 | iNaturalist |
| Black Skimmer | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Black Skimmer | Sound | Guy Babineau | CC BY 4.0 | iNaturalist |
| Black Storm-Petrel | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| Black Swift | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Black Tern | Photo | Steph Brulot-Sawchyn | CC0 1.0 | iNaturalist |
| Black Tern | Sound | Danil Asotsky | CC BY 4.0 | iNaturalist |
| Black Vulture | Photo | Miroslav Srb | Enhanced licence | Adobe Stock #1197965509 |
| Black Vulture | Sound | Lyndsey | CC BY 4.0 | iNaturalist |
| Black-and-white Becard | Photo | David F. Belmonte | CC BY 4.0 | iNaturalist |
| Black-and-white Becard | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Black-and-white Hawk-Eagle | Photo | NINA WENÓLI | CC0 1.0 | iNaturalist |
| Black-and-white Owl | Photo | Adobe Stock #830432496 | Enhanced licence | Adobe Stock #830432496 |
| Black-and-white Owl | Sound | Linzy L. | CC BY-SA 4.0 | iNaturalist |
| Black-and-white Warbler | Photo | Stephen Lewis | CC0 1.0 | iNaturalist |
| Black-and-white Warbler | Sound | Sam E | CC BY 4.0 | iNaturalist |
| Black-and-yellow Silky-flycatcher | Photo | Adobe Stock #523383213 | Enhanced licence | Adobe Stock #523383213 |
| Black-and-yellow Tanager | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| Black-banded Woodcreeper | Photo | Cullen Hanks | CC BY 4.0 | iNaturalist |
| Black-banded Woodcreeper | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Black-bellied Hummingbird | Photo | Ji | Enhanced licence | Adobe Stock #209125258 |
| Black-bellied Plover | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Black-bellied Plover | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Black-bellied Whistling-Duck | Photo | Mehis | Enhanced licence | Adobe Stock #2205672321 |
| Black-bellied Whistling-Duck | Photo | Adobe Stock #2584625515 | Enhanced licence | Adobe Stock #2584625515 |
| Black-bellied Whistling-Duck | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Black-bellied Wren | Photo | cratervalley | Enhanced licence | Adobe Stock #129240886 |
| Black-bellied Wren | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Black-billed Cuckoo | Photo | Anthony Mora Aguilar | CC BY 4.0 | iNaturalist |
| Black-billed Cuckoo | Photo | David Bird | CC0 1.0 | iNaturalist |
| Black-billed Cuckoo | Sound | elacroix-carignan | CC0 1.0 | iNaturalist |
| Black-billed Nightingale-Thrush | Photo | Adobe Stock #386987580 | Enhanced licence | Adobe Stock #386987580 |
| Black-billed Nightingale-Thrush | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Black-breasted Wood-Quail | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Black-capped Antthrush | Photo | Justin Watts | CC BY 4.0 | Wikimedia Commons |
| Black-capped Antthrush | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Black-capped Flycatcher | Photo | Adobe Stock #833052070 | Enhanced licence | Adobe Stock #833052070 |
| Black-capped Flycatcher | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Black-capped Petrel | Photo | steve b | CC0 1.0 | iNaturalist |
| Black-capped Pygmy-Tyrant | Photo | David Rankin | CC BY 4.0 | iNaturalist |
| Black-capped Pygmy-Tyrant | Sound | Fundacion ProAves | CC BY-SA 4.0 | iNaturalist |
| Black-cheeked Ant-Tanager | Photo | relet | CC0 1.0 | iNaturalist |
| Black-cheeked Ant-Tanager | Sound | anasacuta | CC BY 4.0 | iNaturalist |
| Black-cheeked Warbler | Photo | Matt | Enhanced licence | Adobe Stock #1760239356 |
| Black-cheeked Warbler | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Black-cheeked Woodpecker | Photo | Adobe Stock #2642847343 | Enhanced licence | Adobe Stock #2642847343 |
| Black-cheeked Woodpecker | Photo | ChWeiss | Standard licence | Shutterstock #2499816363 |
| Black-cheeked Woodpecker | Sound | jmillsand | CC0 1.0 | iNaturalist |
| Black-chested Jay | Photo | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| Black-chested Jay | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Black-collared Hawk | Photo | ArtushFoto | Enhanced licence | Adobe Stock #1715609623 |
| Black-collared Hawk | Sound | Kozue Kawakami | CC BY-SA 4.0 | iNaturalist |
| Black-cowled Oriole | Photo | Viktor | CC BY 4.0 | iNaturalist |
| Black-cowled Oriole | Sound | d99 | CC0 1.0 | iNaturalist |
| Black-crested Coquette | Photo | Chris | Enhanced licence | Adobe Stock #282223911 |
| Black-crowned Antpitta | Photo | Adobe Stock #511934051 | Enhanced licence | Adobe Stock #511934051 |
| Black-crowned Antpitta | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Black-crowned Antshrike | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Black-crowned Antshrike | Sound | anasacuta | CC BY 4.0 | iNaturalist |
| Black-crowned Night Heron | Photo | Videostudia | Standard licence | Shutterstock #2685977589 |
| Black-crowned Night Heron | Sound | Christoph Moning | CC BY 4.0 | iNaturalist |
| Black-crowned Tityra | Photo | Alessandro Franchini | CC BY 4.0 | iNaturalist |
| Black-eared Wood-Quail | Photo | Mikael Bauer | CC BY 4.0 | iNaturalist |
| Black-faced Antthrush | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Black-faced Antthrush | Sound | Ben Meredyk | CC BY 4.0 | iNaturalist |
| Black-faced Grosbeak | Photo | Annika Lindqvist | CC BY 4.0 | iNaturalist |
| Black-faced Grosbeak | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Black-faced Solitaire | Photo | Adobe Stock #351621994 | Enhanced licence | Adobe Stock #351621994 |
| Black-faced Solitaire | Photo | Adobe Stock #405080074 | Enhanced licence | Adobe Stock #405080074 |
| Black-faced Solitaire | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Black-headed Grosbeak | Photo | Wirestock Creators | Standard licence | Shutterstock #2479880043 |
| Black-headed Grosbeak | Sound | fake_id | CC0 1.0 | iNaturalist |
| Black-headed Nightingale-Thrush | Photo | Andre Knocklein | CC BY 4.0 | iNaturalist |
| Black-headed Nightingale-Thrush | Sound | Liam Steele | CC BY 4.0 | iNaturalist |
| Black-headed Saltator | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| Black-headed Saltator | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Black-headed Tody-Flycatcher | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| Black-headed Tody-Flycatcher | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Black-headed Trogon | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Black-headed Trogon | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Black-hooded Antshrike | Photo | Anders Hastings | CC BY 4.0 | iNaturalist |
| Black-hooded Antshrike | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Black-legged Kittiwake | Photo | Donald Davesne | CC BY 4.0 | iNaturalist |
| Black-legged Kittiwake | Sound | Anastasiia Samokhvalova | CC BY 4.0 | iNaturalist |
| Black-necked Stilt | Photo | Adobe Stock #2583920729 | Enhanced licence | Adobe Stock #2583920729 |
| Black-necked Stilt | Photo | Adrien Nouailhane | CC BY 4.0 | iNaturalist |
| Black-necked Stilt | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| Black-striped Sparrow | Photo | Joshua Smith | CC0 1.0 | iNaturalist |
| Black-striped Sparrow | Sound | Dylan Camacho Guzman | CC BY 4.0 | iNaturalist |
| Black-striped Woodcreeper | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Black-striped Woodcreeper | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Black-tailed Flycatcher | Photo | Aitor | CC BY 4.0 | iNaturalist |
| Black-thighed Grosbeak | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #219275802 |
| Black-throated Blue Warbler | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| Black-throated Blue Warbler | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Black-throated Green Warbler | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Black-throated Green Warbler | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Black-throated Trogon | Photo | Adobe Stock #506961824 | Enhanced licence | Adobe Stock #506961824 |
| Black-throated Wren | Photo | Dean Hester | CC BY 4.0 | iNaturalist |
| Black-throated Wren | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Black-vented Shearwater | Photo | Alina Martin | CC BY 4.0 | iNaturalist |
| Black-whiskered Vireo | Photo | Jay Brasher | CC BY 4.0 | iNaturalist |
| Black-whiskered Vireo | Sound | Noah Frade | CC BY 4.0 | iNaturalist |
| Blackburnian Warbler | Photo | Andrew Holle | CC BY 4.0 | iNaturalist |
| Blackburnian Warbler | Sound | rsety | CC0 1.0 | iNaturalist |
| Blackpoll Warbler | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| Blackpoll Warbler | Sound | maureen_c-m | CC BY 4.0 | iNaturalist |
| Blue Dacnis | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Blue Grosbeak | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Blue Grosbeak | Sound | Ken Clark | CC BY 4.0 | iNaturalist |
| Blue Ground Dove | Photo | Adobe Stock #555042925 | Enhanced licence | Adobe Stock #555042925 |
| Blue Ground Dove | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Blue Seedeater | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Blue Seedeater | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Blue-and-gold Tanager | Photo | Adobe Stock #828484565 | Enhanced licence | Adobe Stock #828484565 |
| Blue-and-white Swallow | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Blue-and-white Swallow | Sound | Henrry | CC BY 4.0 | iNaturalist |
| Blue-billed White-Tern | Photo | SimonJohannes | Enhanced licence | Adobe Stock #1961377883 |
| Blue-billed White-Tern | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Blue-black Grassquit | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Blue-black Grassquit | Sound | Rodrigo Paiva Lázaro | CC BY 4.0 | iNaturalist |
| Blue-black Grosbeak | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Blue-black Grosbeak | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Blue-chested Hummingbird | Photo | Don Wellmann | CC0 1.0 | iNaturalist |
| Blue-chested Hummingbird | Sound | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Blue-footed Booby | Photo | Buckelkopfcichlide | CC BY 4.0 | iNaturalist |
| Blue-gray Tanager | Photo | Adobe Stock #2129007236 | Enhanced licence | Adobe Stock #2129007236 |
| Blue-gray Tanager | Photo | Darren Obbard | CC BY 4.0 | iNaturalist |
| Blue-gray Tanager | Sound | Arturo Benavides Mendoza | CC BY 4.0 | iNaturalist |
| Blue-headed Parrot | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Blue-headed Parrot | Sound | Fundacion ProAves | CC BY-SA 4.0 | iNaturalist |
| Blue-headed Vireo | Photo | Dario Taraborelli | CC0 1.0 | iNaturalist |
| Blue-headed Vireo | Sound | Sean Frey | CC BY 4.0 | iNaturalist |
| Blue-tailed Hummingbird | Photo | Don Wellmann | CC0 1.0 | iNaturalist |
| Blue-throated Goldentail | Photo | Thorsten Spoerlein | Enhanced licence | Adobe Stock #2072462882 |
| Blue-throated Goldentail | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Blue-vented Hummingbird | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Blue-winged Teal | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Blue-winged Teal | Sound | Liren Varghese | CC BY 4.0 | iNaturalist |
| Blue-winged Warbler | Photo | David Bird | CC0 1.0 | iNaturalist |
| Blue-winged Warbler | Sound | cigazze | CC BY 4.0 | iNaturalist |
| Boat-billed Flycatcher | Photo | datadan | CC BY 4.0 | iNaturalist |
| Boat-billed Flycatcher | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Boat-billed Heron | Photo | alexanderkonsta | Enhanced licence | Adobe Stock #115582386 |
| Boat-billed Heron | Photo | Adobe Stock #824437562 | Enhanced licence | Adobe Stock #824437562 |
| Bobolink | Photo | Julien Renoult | CC BY 4.0 | iNaturalist |
| Bobolink | Sound | Thomas Koffel | CC BY 4.0 | iNaturalist |
| Bonaparte’s Gull | Photo | tlaloc27 | CC BY 4.0 | iNaturalist |
| Bonaparte’s Gull | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Bosque del Rio Tigre Lodge | Photo | Bosque del Rio Tigre Lodge | Lodge photo | The lodge |
| Bosque del Tolomuco | Photo | Bosque del Tolomuco | Lodge photo | The lodge |
| Botteri's Sparrow | Photo | Sebastián de Jesús Herrera Buenfil | CC BY 4.0 | iNaturalist |
| Botteri's Sparrow | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Bran-colored Flycatcher | Photo | Diego Carús | CC0 1.0 | iNaturalist |
| Bran-colored Flycatcher | Sound | Ezequiel Vera | CC BY 4.0 | iNaturalist |
| Bridled Tern | Photo | caymanmatt | CC BY 4.0 | iNaturalist |
| Bridled Tern | Sound | bitsandbugs | CC0 1.0 | iNaturalist |
| Bright-rumped Attila | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Bright-rumped Attila | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Broad-billed Motmot | Photo | SL-Photography | Standard licence | Shutterstock #2490011995 |
| Broad-billed Motmot | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Broad-winged Hawk | Photo | Blake Ross | CC BY 4.0 | iNaturalist |
| Broad-winged Hawk | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Bronze-tailed Plumeleteer | Photo | Natalia Kuzmina | Enhanced licence | Adobe Stock #244608439 |
| Bronzed Cowbird | Photo | Marie Cerda | CC BY 4.0 | iNaturalist |
| Bronzed Cowbird | Sound | Francis Pérez | CC BY 4.0 | iNaturalist |
| Bronzy Hermit | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Brown Booby | Photo | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| Brown Jay | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Brown Jay | Sound | Arthur de Jesús Chavarría Pérez | CC BY 4.0 | iNaturalist |
| Brown Noddy | Photo | Marc | Enhanced licence | Adobe Stock #2177965223 |
| Brown Noddy | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Brown Pelican | Photo | Yifeng | Enhanced licence | Adobe Stock #2064990399 |
| Brown Pelican | Photo | Adobe Stock #2543346185 | Enhanced licence | Adobe Stock #2543346185 |
| Brown Violetear | Photo | Adobe Stock #386921990 | Enhanced licence | Adobe Stock #386921990 |
| Brown Violetear | Sound | John G. Phillips | CC BY 4.0 | iNaturalist |
| Brown-billed Scythebill | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Brown-billed Scythebill | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Brown-capped Tyrannulet | Photo | Dan Fitzgerald (Fitz) | CC0 1.0 | iNaturalist |
| Brown-capped Tyrannulet | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Brown-capped Vireo | Photo | Andrew Holle | CC BY 4.0 | iNaturalist |
| Brown-capped Vireo | Sound | Christoph Moning | CC BY 4.0 | iNaturalist |
| Brown-chested Martin | Photo | Frank Thomas Sautter | CC0 1.0 | iNaturalist |
| Brown-chested Martin | Sound | Douglas | CC BY 4.0 | iNaturalist |
| Brown-crested Flycatcher | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Brown-crested Flycatcher | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Brown-hooded Parrot | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| Brown-hooded Parrot | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Brown-throated Parakeet | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Brown-throated Parakeet | Sound | Sydney Gerig | CC BY 4.0 | iNaturalist |
| Buff-breasted Sandpiper | Photo | Jacob Crawford | CC BY 4.0 | iNaturalist |
| Buff-collared Nightjar | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Buff-collared Nightjar | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Buff-fronted Foliage-gleaner | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Buff-fronted Foliage-gleaner | Sound | Christoph Moning | CC BY 4.0 | iNaturalist |
| Buff-fronted Quail-Dove | Photo | Reuven Martin | CC0 1.0 | iNaturalist |
| Buff-rumped Warbler | Photo | ChWeiss | Standard licence | Shutterstock #2442118353 |
| Buff-rumped Warbler | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Buff-throated Saltator | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Buff-throated Saltator | Sound | Cole Wolf | CC BY 4.0 | iNaturalist |
| Buffy Tuftedcheek | Photo | Emily Franzen | CC BY 4.0 | iNaturalist |
| Buffy Tuftedcheek | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Buffy-crowned Wood-Partridge | Photo | Ji | Enhanced licence | Adobe Stock #1354244018 |
| Buffy-crowned Wood-Partridge | Sound | Arthur de Jesús Chavarría Pérez | CC BY 4.0 | iNaturalist |
| Bullock's Oriole | Photo | vagabond54 | Standard licence | Shutterstock #2402874679 |
| Bullock's Oriole | Sound | truthseqr | CC0 1.0 | iNaturalist |
| Burrowing Owl | Photo | ChrisMcV | CC0 1.0 | iNaturalist |
| Burrowing Owl | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Cabanis's Ground-Sparrow | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Cabanis's Ground-Sparrow | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Cabanis’s Wren | Photo | Thomas Ebner | CC BY 4.0 | iNaturalist |
| Cabanis’s Wren | Sound | Eduardo A. Bolaños Vargas | CC BY 4.0 | iNaturalist |
| California Gull | Photo | Madeleine Claire | CC BY 4.0 | iNaturalist |
| California Gull | Sound | truthseqr | CC0 1.0 | iNaturalist |
| Canada Warbler | Photo | Matt Felperin | CC BY 4.0 | iNaturalist |
| Canada Warbler | Sound | Mary Krieger | CC BY 4.0 | iNaturalist |
| Canebrake Wren | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Canivet's Emerald | Photo | steve b | CC0 1.0 | iNaturalist |
| Caño Negro Natural Lodge | Photo | Caño Negro Natural Lodge | Lodge photo | The lodge |
| Canvasback | Photo | Brooke J. | CC BY 4.0 | iNaturalist |
| Cape May Warbler | Photo | Rajan Rao | CC BY 4.0 | iNaturalist |
| Cape May Warbler | Sound | Will Kuhn | CC BY 4.0 | iNaturalist |
| Caribbean Foothills | Photo | jbphotographylt | Enhanced licence | Adobe Stock #313446704 |
| Caribbean Lowlands | Photo | Adobe Stock #377482381 | Enhanced licence | Adobe Stock #377482381 |
| Carmiol's Tanager | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Carmiol's Tanager | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Caspian Tern | Photo | lallen | CC0 1.0 | iNaturalist |
| Caspian Tern | Sound | Trinity Berry | CC BY 4.0 | iNaturalist |
| Cattle Tyrant | Photo | Luciano Massa | CC BY 4.0 | iNaturalist |
| Cattle Tyrant | Sound | Joaquín Krasuk | CC BY 4.0 | iNaturalist |
| Cave Swallow | Photo | Mayela y Ramón | CC BY-SA 4.0 | iNaturalist |
| Cave Swallow | Sound | Alysa Joaquin | CC BY 4.0 | iNaturalist |
| Cedar Waxwing | Photo | Christian Back | CC BY 4.0 | iNaturalist |
| Cedar Waxwing | Sound | Steven J. Røste | CC BY 4.0 | iNaturalist |
| Celeste Mountain Lodge | Photo | Celeste Mountain Lodge | Lodge photo | The lodge |
| Central American Pygmy-Owl | Photo | Adobe Stock #630468673 | Enhanced licence | Adobe Stock #630468673 |
| Central American Pygmy-Owl | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Central and Southern Pacific Lowlands | Photo | Adobe Stock #374651983 | Enhanced licence | Adobe Stock #374651983 |
| Cerro Lodge | Photo | Cerro Lodge | Lodge photo | The lodge |
| Cerulean Warbler | Photo | Willem Span | CC BY 4.0 | iNaturalist |
| Cerulean Warbler | Sound | Jonathan Layman | CC BY 4.0 | iNaturalist |
| Chachagua Rainforest Hotel & Hacienda | Photo | Chachagua Rainforest Hotel & Hacienda | Lodge photo | The lodge |
| Charming Hummingbird | Photo | Annette Herz | CC BY 4.0 | iNaturalist |
| Charming Hummingbird | Sound | llreletll | CC0 1.0 | iNaturalist |
| Checker-throated Stipplethroat | Photo | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| Checker-throated Stipplethroat | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Chestnut-backed Antbird | Photo | amantedarmanin | CC BY 4.0 | iNaturalist |
| Chestnut-backed Antbird | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Chestnut-capped Brushfinch | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Chestnut-capped Brushfinch | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Chestnut-capped Warbler | Photo | phototrip.cz | Enhanced licence | Adobe Stock #268542290 |
| Chestnut-capped Warbler | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Chestnut-collared Swift | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Chestnut-colored Woodpecker | Photo | Pandora Pictures | Standard licence | Shutterstock #2305418145 |
| Chestnut-colored Woodpecker | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Chestnut-headed Oropendola | Photo | Morten Ross | CC BY 4.0 | iNaturalist |
| Chestnut-headed Oropendola | Sound | Dylan Camacho Guzman | CC BY 4.0 | iNaturalist |
| Chestnut-sided Warbler | Photo | Dennis W Donohue | Standard licence | Shutterstock #2635202445 |
| Chestnut-sided Warbler | Sound | Sean Frey | CC BY 4.0 | iNaturalist |
| Chimney Swift | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| Chimney Swift | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Chipping Sparrow | Photo | Kathlin Simpkins | CC0 1.0 | iNaturalist |
| Chipping Sparrow | Photo | Shirley Zundell | CC BY 4.0 | iNaturalist |
| Chipping Sparrow | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Chiriqui Foliage-gleaner | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Chiriqui Quail-Dove | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Christmas Shearwater | Photo | Franco Arenas | CC BY 4.0 | iNaturalist |
| Chuck-will's-widow | Photo | Jared Shorma | CC BY 4.0 | iNaturalist |
| Chuck-will's-widow | Sound | Reid Hardin | CC BY 4.0 | iNaturalist |
| Cinnamon Becard | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Cinnamon Becard | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Cinnamon Hummingbird | Photo | David | Enhanced licence | Adobe Stock #202347979 |
| Cinnamon Hummingbird | Sound | d99 | CC0 1.0 | iNaturalist |
| Cinnamon Teal | Photo | avocat | CC BY 4.0 | iNaturalist |
| Cinnamon Teal | Photo | Kim | CC BY 4.0 | iNaturalist |
| Cinnamon Woodpecker | Photo | Tristan Jobin | CC BY 4.0 | iNaturalist |
| Cinnamon-bellied Saltator | Photo | Michelle Monge-Velazquez | CC BY 4.0 | iNaturalist |
| Cinnamon-bellied Saltator | Sound | Diego Puc Estrada | CC BY 4.0 | iNaturalist |
| Clay-colored Sparrow | Photo | David A. Rodríguez Arias | CC BY 4.0 | iNaturalist |
| Clay-colored Sparrow | Sound | k-simpkins | CC0 1.0 | iNaturalist |
| Clay-colored Thrush | Photo | Thorsten Spoerlein | Enhanced licence | Adobe Stock #2072463281 |
| Clay-colored Thrush | Sound | scott_young | CC0 1.0 | iNaturalist |
| Cliff Swallow | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Cliff Swallow | Sound | kzoebel | CC0 1.0 | iNaturalist |
| Club del Mar | Photo | Club del Mar | Lodge photo | The lodge |
| Cocoa Woodcreeper | Photo | Eric Klug | CC BY 4.0 | iNaturalist |
| Cocoa Woodcreeper | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Cocos Booby | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Cocos Booby | Photo | Alina Martin | CC BY 4.0 | iNaturalist |
| Cocos Booby | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Cocos Cuckoo | Photo | Oliver Komar | CC BY 4.0 | iNaturalist |
| Cocos Finch | Photo | fede2cr | CC BY 4.0 | iNaturalist |
| Cocos Tyrannulet | Photo | Jan Axel Cubilla Rodríguez | CC BY 4.0 | iNaturalist |
| Collared Aracari | Photo | Natalia Kuzmina | Enhanced licence | Adobe Stock #183702087 |
| Collared Aracari | Photo | Richard C Palmer | Enhanced licence | Adobe Stock #2016250171 |
| Collared Aracari | Photo | Dennis W Donohue | Standard licence | Shutterstock #2633905493 |
| Collared Aracari | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Collared Forest-Falcon | Photo | Diego Grandi | Standard licence | Shutterstock #2423869515 |
| Collared Forest-Falcon | Sound | Alessandro Franchini | CC BY 4.0 | iNaturalist |
| Collared Plover | Photo | David | Enhanced licence | Adobe Stock #2165201848 |
| Collared Redstart | Photo | Robert Ulph | Enhanced licence | Adobe Stock #252230804 |
| Collared Redstart | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Collared Trogon | Photo | Teresa | Enhanced licence | Adobe Stock #2100958051 |
| Collared Trogon | Photo | Adrienne van den Beemt | CC BY 4.0 | iNaturalist |
| Collared Trogon | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Comb Duck | Photo | Thomaz de Carvalho Callado | CC BY 4.0 | iNaturalist |
| Common Black Hawk | Photo | Nathalie | Enhanced licence | Adobe Stock #1920224878 |
| Common Black Hawk | Sound | chris_and_pamela_pipes | CC0 1.0 | iNaturalist |
| Common Chlorospingus | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Common Chlorospingus | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Common Gallinule | Photo | Andrew Hrycyna | CC BY 4.0 | iNaturalist |
| Common Gallinule | Sound | kcthetc1 | CC0 1.0 | iNaturalist |
| Common Ground Dove | Photo | Adobe Stock #454334900 | Enhanced licence | Adobe Stock #454334900 |
| Common Ground Dove | Sound | bobnieman | CC BY 4.0 | iNaturalist |
| Common Nighthawk | Photo | Owen Strickland | CC BY 4.0 | iNaturalist |
| Common Nighthawk | Sound | Clifton Ladd, C.W.B. | CC BY 4.0 | iNaturalist |
| Common Pauraque | Photo | Adobe Stock #829561917 | Enhanced licence | Adobe Stock #829561917 |
| Common Pauraque | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Common Pochard | Photo | Diego González Dopico | CC BY 4.0 | iNaturalist |
| Common Pochard | Sound | Anna C | CC BY 4.0 | iNaturalist |
| Common Potoo | Photo | Adobe Stock #446702114 | Enhanced licence | Adobe Stock #446702114 |
| Common Potoo | Sound | Fabrício Mil Homens Riella | CC BY 4.0 | iNaturalist |
| Common Squirrel-Cuckoo | Photo | Adobe Stock #462884959 | Enhanced licence | Adobe Stock #462884959 |
| Common Squirrel-Cuckoo | Sound | Alex S. Rosa | CC BY-SA 4.0 | iNaturalist |
| Common Tern | Photo | danpatrick | CC BY 4.0 | iNaturalist |
| Common Tern | Sound | Alexandr Stanislavschi | CC BY 4.0 | iNaturalist |
| Common Tody-Flycatcher | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Common Tody-Flycatcher | Sound | Hersson Ramírez | CC BY 4.0 | iNaturalist |
| Common Yellowthroat | Photo | David Bird | CC0 1.0 | iNaturalist |
| Common Yellowthroat | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Connecticut Warbler | Photo | Zac Peterson | CC BY 4.0 | iNaturalist |
| Connecticut Warbler | Sound | Daniel J. Layton | CC BY 4.0 | iNaturalist |
| Cooper's Hawk | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Cooper's Hawk | Sound | ben142 | CC0 1.0 | iNaturalist |
| Coppery-headed Emerald | Photo | Ji | Enhanced licence | Adobe Stock #1242876380 |
| Corcovado coast, Osa Peninsula | Photo | Adobe Stock #530197051 | Enhanced licence | Adobe Stock #530197051 |
| Corcovado Wilderness Lodge by SCP | Photo | Corcovado Wilderness Lodge by SCP | Lodge photo | The lodge |
| Cory's Shearwater | Photo | Donald Davesne | CC BY 4.0 | iNaturalist |
| Cory's Shearwater | Sound | Valentin Moser | CC BY 4.0 | iNaturalist |
| Costa Rican Brushfinch | Photo | Nick Athanas | CC BY-SA 2.0 | Wikimedia Commons |
| Costa Rican Pygmy-Owl | Photo | Adobe Stock #658680568 | Enhanced licence | Adobe Stock #658680568 |
| Costa Rican Pygmy-Owl | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Costa Rican Swift | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Costa Rican Warbler | Photo | Jo Roberts | CC BY 4.0 | iNaturalist |
| Costa Rican Warbler | Sound | alicia penney | CC BY 4.0 | iNaturalist |
| Costa Verde | Photo | Costa Verde | Lodge photo | The lodge |
| Couple birding on a forest trail | Photo | Rawpixel.com | Standard licence | Shutterstock #4207603245 |
| Crane Hawk | Photo | Adobe Stock #399550550 | Enhanced licence | Adobe Stock #399550550 |
| Crane Hawk | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Crested Bobwhite | Photo | Adobe Stock #877188978 | Enhanced licence | Adobe Stock #877188978 |
| Crested Bobwhite | Sound | Juan Camilo Ovalle Castañeda | CC BY-SA 4.0 | iNaturalist |
| Crested Caracara | Photo | Don Loarie | CC BY 4.0 | iNaturalist |
| Crested Caracara | Sound | Bruno Avilez | CC BY 4.0 | iNaturalist |
| Crested Eagle | Photo | Adobe Stock #921491194 | Enhanced licence | Adobe Stock #921491194 |
| Crested Guan | Photo | Adobe Stock #2341011799 | Enhanced licence | Adobe Stock #2341011799 |
| Crested Guan | Photo | Adobe Stock #705375428 | Enhanced licence | Adobe Stock #705375428 |
| Crested Guan | Sound | dylancamachoguzman10 | CC0 1.0 | iNaturalist |
| Crested Oropendola | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Crested Oropendola | Sound | Tomás Carranza Perales | CC BY 4.0 | iNaturalist |
| Crested Owl | Photo | Eli Freidus | Enhanced licence | Adobe Stock #1840684542 |
| Crested Owl | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Crimson-backed Tanager | Photo | Anthony Batista | CC BY 4.0 | iNaturalist |
| Crimson-backed Tanager | Sound | tomaugust | CC0 1.0 | iNaturalist |
| Crimson-collared Tanager | Photo | Adobe Stock #457771948 | Enhanced licence | Adobe Stock #457771948 |
| Crimson-fronted Parakeet | Photo | Sandra Keller | CC BY 4.0 | iNaturalist |
| Crimson-fronted Parakeet | Sound | Alessandro Franchini | CC BY 4.0 | iNaturalist |
| Crowned Woodnymph | Photo | Adobe Stock #778230100 | Enhanced licence | Adobe Stock #778230100 |
| Curlew Sandpiper | Photo | Nigel Voaden | CC BY 4.0 | iNaturalist |
| Curlew Sandpiper | Sound | Yves Bas | CC BY 4.0 | iNaturalist |
| Dantica Cloud Forest Lodge | Photo | Dantica Cloud Forest Lodge | Lodge photo | The lodge |
| Dark Pewee | Photo | cratervalley | Enhanced licence | Adobe Stock #257778665 |
| Dark Pewee | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Dark-billed Cuckoo | Photo | Laura Veronica Bianchi | CC BY-SA 4.0 | iNaturalist |
| Dark-billed Cuckoo | Sound | Jose Luis Navarro | CC BY 4.0 | iNaturalist |
| Dickcissel | Photo | avocat | CC BY 4.0 | iNaturalist |
| Dickcissel | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Dot-winged Antwren | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Dot-winged Antwren | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Double-striped Thick-Knee | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Double-striped Thick-Knee | Sound | Juan Cruzado Cortés | CC BY 4.0 | iNaturalist |
| Double-toothed Kite | Photo | J Esteban Berrio | Enhanced licence | Adobe Stock #1427461742 |
| Double-toothed Kite | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Drake Bay Wilderness | Photo | Drake Bay Wilderness | Lodge photo | The lodge |
| Drake Bay Wilderness Resort | Photo | Drake Bay Wilderness Resort | Lodge photo | The lodge |
| Dull-mantled Antbird | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Dull-mantled Antbird | Sound | David Rankin | CC BY 4.0 | iNaturalist |
| Dunlin | Photo | Navin Sasikumar | CC BY 4.0 | iNaturalist |
| Dunlin | Sound | angelique_k | CC0 1.0 | iNaturalist |
| Dusky Antbird | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Dusky Antbird | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Dusky Nightjar | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Dusky Nightjar | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Dusky-capped Flycatcher | Photo | Rose Zappa | CC BY 4.0 | iNaturalist |
| Dusky-capped Flycatcher | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Dusky-faced Tanager | Photo | David Rankin | CC BY 4.0 | iNaturalist |
| Dusky-faced Tanager | Sound | Michael Bakker Paiva | CC BY 4.0 | iNaturalist |
| Eared Dove | Photo | Romi Galeota Lencina | CC BY 4.0 | iNaturalist |
| Eared Dove | Sound | Joaquín Krasuk | CC BY 4.0 | iNaturalist |
| Eared Grebe | Photo | Kalvin Chan | CC BY 4.0 | iNaturalist |
| Eared Grebe | Sound | Zoe O. | CC BY 4.0 | iNaturalist |
| Eastern Kingbird | Photo | Malo Ramírez | CC0 1.0 | iNaturalist |
| Eastern Kingbird | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Eastern Meadowlark | Photo | Vargas Alisson | CC BY 4.0 | iNaturalist |
| Eastern Meadowlark | Sound | Guy Babineau | CC BY 4.0 | iNaturalist |
| Eastern Phoebe | Photo | Kathlin Simpkins | CC0 1.0 | iNaturalist |
| Eastern Phoebe | Sound | Senna Bryce Robeson | CC BY 4.0 | iNaturalist |
| Eastern Warbling Vireo | Photo | Donald Davesne | CC BY 4.0 | iNaturalist |
| Eastern Warbling Vireo | Sound | Brian White | CC BY 4.0 | iNaturalist |
| Eastern Whip-poor-will | Photo | Reuven Martin | CC0 1.0 | iNaturalist |
| Eastern Whip-poor-will | Sound | Jake McCumber | CC BY 4.0 | iNaturalist |
| Eastern Wood-Pewee | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Eastern Wood-Pewee | Sound | Jules Reppert | CC BY 4.0 | iNaturalist |
| Elegant Euphonia | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Elegant Euphonia | Sound | Christian Franco | CC BY-SA 4.0 | iNaturalist |
| Elegant Tern | Photo | Laurel Meredyk | CC BY 4.0 | iNaturalist |
| Elegant Tern | Sound | fake_id | CC0 1.0 | iNaturalist |
| Elegant Trogon | Photo | David Hester | Enhanced licence | Adobe Stock #1432161081 |
| Elegant Trogon | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Emerald Tanager | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Emerald Tanager | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Esquinas Rainforest Lodge | Photo | Esquinas Rainforest Lodge | Lodge photo | The lodge |
| Eurasian Collared-Dove | Photo | Carter Dorscht | CC0 1.0 | iNaturalist |
| Eurasian Collared-Dove | Sound | bobhoard | CC0 1.0 | iNaturalist |
| Evergreen Lodge | Photo | Evergreen Lodge | Lodge photo | The lodge |
| Eye-ringed Flatbill | Photo | tomas_kay | CC BY 4.0 | iNaturalist |
| Fasciated Antshrike | Photo | amantedarmanin | CC BY 4.0 | iNaturalist |
| Fasciated Antshrike | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Fasciated Tiger-Heron | Photo | Rajan Rao | CC BY 4.0 | iNaturalist |
| Fawn-throated Foliage-gleaner | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Fawn-throated Foliage-gleaner | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Ferruginous Pygmy-Owl | Photo | Adobe Stock #652279042 | Enhanced licence | Adobe Stock #652279042 |
| Ferruginous Pygmy-Owl | Sound | Linzy L. | CC BY-SA 4.0 | iNaturalist |
| Fiery-billed Aracari | Photo | Brandy McKnight | Enhanced licence | Adobe Stock #131602843 |
| Fiery-billed Aracari | Photo | Tom | Enhanced licence | Adobe Stock #137277379 |
| Fiery-billed Aracari | Photo | TizzoAroundTheWorld | Enhanced licence | Adobe Stock #2030161092 |
| Fiery-billed Aracari | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Fiery-throated Hummingbird | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #165473176 |
| Fiery-throated Hummingbird | Photo | Thorsten Spoerlein | Enhanced licence | Adobe Stock #2072473281 |
| Fiery-throated Hummingbird (video) | Photo | Adobe Stock #501272227 | Enhanced licence | Adobe Stock #501272227 |
| Fiery-throated Hummingbird | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Finca Luna Nueva Lodge | Photo | Finca Luna Nueva Lodge | Lodge photo | The lodge |
| Finca Rosa Blanca | Photo | Finca Rosa Blanca | Lodge photo | The lodge |
| Flame-colored Tanager | Photo | Hank Raizen | CC BY 4.0 | iNaturalist |
| Flame-colored Tanager | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Flame-rumped Tanager | Photo | Esteban Poveda | CC BY 4.0 | iNaturalist |
| Flame-rumped Tanager | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Flame-throated Warbler | Photo | Melissa McMasters | CC BY 4.0 | iNaturalist |
| Flesh-footed Shearwater | Photo | Jake Osborne | CC BY 4.0 | iNaturalist |
| Flesh-footed Shearwater | Sound | Spencer McIntyre | CC BY 4.0 | iNaturalist |
| Fork-tailed Flycatcher | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Fork-tailed Flycatcher | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| Forster's Tern | Photo | Bill Levine | CC BY 4.0 | iNaturalist |
| Forster's Tern | Sound | fake_id | CC0 1.0 | iNaturalist |
| Franklin's Gull | Photo | Toby Rowland | CC BY 4.0 | iNaturalist |
| Franklin's Gull | Sound | Mary Krieger | CC BY 4.0 | iNaturalist |
| Fulvous Whistling-Duck | Photo | Adobe Stock #401188383 | Enhanced licence | Adobe Stock #401188383 |
| Fulvous Whistling-Duck | Sound | Sol Quipildor | CC BY-SA 4.0 | iNaturalist |
| Galapagos Petrel | Photo | William Stephens | CC BY 4.0 | iNaturalist |
| Galapagos Shearwater | Photo | Dominic Sherony | CC BY-SA 2.0 | Wikimedia Commons |
| Garden Emerald | Photo | Tristan Jobin | CC BY 4.0 | iNaturalist |
| Garden Emerald | Sound | Maria Janeiro | CC BY 4.0 | iNaturalist |
| Gartered Trogon | Photo | Quarterland Photos | Enhanced licence | Adobe Stock #1314498730 |
| Gartered Violaceous Trogon | Sound | Ben Meredyk | CC BY 4.0 | iNaturalist |
| Giant Cowbird | Photo | Alina Martin | CC BY 4.0 | iNaturalist |
| Giant Cowbird | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Glossy Ibis | Photo | fede2cr | CC BY 4.0 | iNaturalist |
| Glossy Ibis | Sound | nikita_gerasin | CC BY 4.0 | iNaturalist |
| Golden-bellied Flycatcher | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Golden-bellied Flycatcher | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Golden-browed Chlorophonia | Photo | Adobe Stock #833054284 | Enhanced licence | Adobe Stock #833054284 |
| Golden-browed Chlorophonia | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Golden-cheeked Warbler | Photo | Dario Taraborelli | CC0 1.0 | iNaturalist |
| Golden-cheeked Warbler | Sound | Cody Stricker | CC BY 4.0 | iNaturalist |
| Golden-crowned Spadebill | Photo | Federico Muñoz | CC0 1.0 | iNaturalist |
| Golden-crowned Spadebill | Sound | Alessandro Franchini | CC BY 4.0 | iNaturalist |
| Golden-crowned Warbler | Photo | Blake Ross | CC BY 4.0 | iNaturalist |
| Golden-crowned Warbler | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Golden-hooded Tanager | Photo | Harry Collins | Enhanced licence | Adobe Stock #1187184816 |
| Golden-hooded Tanager | Photo | Adobe Stock #84853160 | Enhanced licence | Adobe Stock #84853160 |
| Golden-hooded Tanager | Sound | GERMAN LEONEL SARMIENTO CRUZ | CC BY 4.0 | iNaturalist |
| Golden-naped Woodpecker | Photo | Miroslav Srb | Enhanced licence | Adobe Stock #1954363341 |
| Golden-olive Woodpecker | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| Golden-olive Woodpecker | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Golden-winged Warbler | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Golden-winged Warbler | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Grass Wren | Photo | Valentín Alfano | CC BY 4.0 | iNaturalist |
| Grass Wren | Sound | Valentín Alfano | CC BY 4.0 | iNaturalist |
| Grasshopper Sparrow | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Grasshopper Sparrow | Sound | polichara | CC0 1.0 | iNaturalist |
| Grassland Yellow-Finch | Photo | Gonzalo González Mora | CC BY 4.0 | iNaturalist |
| Grassland Yellow-Finch | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Gray Catbird | Photo | cactusauria | CC BY 4.0 | iNaturalist |
| Gray Catbird | Sound | Donald Davesne | CC BY 4.0 | iNaturalist |
| Gray Gull | Photo | ignacio_diaz05 | CC BY 4.0 | iNaturalist |
| Gray Hawk | Photo | Adobe Stock #620315562 | Enhanced licence | Adobe Stock #620315562 |
| Gray Hawk | Sound | Adriana Nelly Correa Sandoval | CC BY 4.0 | iNaturalist |
| Gray Kingbird | Photo | Ryan Watson | CC BY 4.0 | iNaturalist |
| Gray Kingbird | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Gray-bellied Hawk | Photo | Pedro Henrique Maloso Ramos | CC BY 4.0 | iNaturalist |
| Gray-breasted Crake | Photo | Leandro | Enhanced licence | Adobe Stock #1840357998 |
| Gray-breasted Crake | Sound | Juan Cruzado Cortés | CC BY 4.0 | iNaturalist |
| Gray-breasted Martin | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Gray-breasted Martin | Sound | Joaquín Krasuk | CC BY 4.0 | iNaturalist |
| Gray-breasted Wood-Wren | Photo | Dean Hester | CC BY 4.0 | iNaturalist |
| Gray-breasted Wood-Wren | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Gray-capped Flycatcher | Photo | Viktor | CC BY 4.0 | iNaturalist |
| Gray-capped Flycatcher | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Gray-cheeked Thrush | Photo | avocat | CC BY 4.0 | iNaturalist |
| Gray-cheeked Thrush | Sound | Donald Hampton | CC BY-SA 4.0 | iNaturalist |
| Gray-chested Dove | Photo | Thorsten Spoerlein | Enhanced licence | Adobe Stock #2072463071 |
| Gray-chested Dove | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Gray-cowled Wood-Rail | Photo | jrcagle | CC BY 4.0 | iNaturalist |
| Gray-cowled Wood-Rail | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Gray-crowned Yellowthroat | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Gray-headed Chachalaca | Photo | ChWeiss | Standard licence | Shutterstock #2522533923 |
| Gray-headed Chachalaca | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Gray-headed Dove | Photo | MarcoDiaz | Enhanced licence | Adobe Stock #1010042030 |
| Gray-headed Dove | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Gray-headed Kite | Photo | Adobe Stock #786635907 | Enhanced licence | Adobe Stock #786635907 |
| Gray-headed Kite | Sound | Rodrigo Paiva Lazaro | CC BY 4.0 | iNaturalist |
| Gray-headed Piprites | Photo | Alfonso Auerbach | CC0 1.0 | iNaturalist |
| Gray-headed Tanager | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Gray-headed Tanager | Sound | Miguel A. Paixão | CC BY 4.0 | iNaturalist |
| Gray-hooded Gull | Photo | Christoph Moning | CC BY 4.0 | iNaturalist |
| Gray-hooded Gull | Sound | Joaquín Krasuk | CC BY 4.0 | iNaturalist |
| Gray-lined Hawk | Photo | Luciano Massa | CC BY 4.0 | iNaturalist |
| Gray-lined Hawk | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Gray-necked Wood-Rail | Photo | Adobe Stock #565163557 | Enhanced licence | Adobe Stock #565163557 |
| Gray-rumped Swift | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Gray-rumped Swift | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Gray-throated Leaftosser | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Gray-throated Leaftosser | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Great Antshrike | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Great Antshrike | Sound | Chrissy Kondrat | CC BY 4.0 | iNaturalist |
| Great Black Hawk | Photo | Adobe Stock #428168928 | Enhanced licence | Adobe Stock #428168928 |
| Great Black Hawk | Sound | Sebastián de Jesús Herrera Buenfil | CC BY 4.0 | iNaturalist |
| Great Black-backed Gull | Photo | Rob Wadsworth | CC0 1.0 | iNaturalist |
| Great Black-backed Gull | Sound | Yves Bas | CC BY 4.0 | iNaturalist |
| Great Blue Heron | Photo | Catherine | Enhanced licence | Adobe Stock #2164642012 |
| Great Blue Heron | Sound | kzoebel | CC0 1.0 | iNaturalist |
| Great Crested Flycatcher | Photo | Kristy Morley | CC BY 4.0 | iNaturalist |
| Great Crested Flycatcher | Sound | Allan Castillo | CC BY 4.0 | iNaturalist |
| Great Curassow | Photo | Jim Cumming | Enhanced licence | Adobe Stock #196475240 |
| Great Curassow | Photo | Morten Ross | CC BY 4.0 | iNaturalist |
| Great Curassow | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Great Egret | Photo | matt | Enhanced licence | Adobe Stock #2234431222 |
| Great Egret | Sound | Yves Bas | CC BY 4.0 | iNaturalist |
| Great Frigatebird | Photo | Adobe Stock #410569492 | Enhanced licence | Adobe Stock #410569492 |
| Great Green Macaw | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #165473238 |
| Great Green Macaw | Photo | Adobe Stock #823503549 | Enhanced licence | Adobe Stock #823503549 |
| Great Green Macaw | Photo | Artush | Standard licence | Shutterstock #2375131101 |
| Great Horned Owl | Photo | Wirestock Creators | Standard licence | Shutterstock #2553807479 |
| Great Horned Owl | Sound | Juli Mallett | CC BY 4.0 | iNaturalist |
| Great Jacamar | Photo | Christoph Moning | CC BY 4.0 | iNaturalist |
| Great Jacamar | Sound | Steve Collins | CC BY 4.0 | iNaturalist |
| Great Kiskadee | Photo | Adobe Stock #2376589663 | Enhanced licence | Adobe Stock #2376589663 |
| Great Kiskadee | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Great Kiskadee | Sound | Patrick Leary | CC BY 4.0 | iNaturalist |
| Great Potoo | Photo | edilson | Enhanced licence | Adobe Stock #217241971 |
| Great Potoo | Photo | Adobe Stock #824438739 | Enhanced licence | Adobe Stock #824438739 |
| Great Potoo | Sound | Hersson Ramírez | CC BY 4.0 | iNaturalist |
| Great Shearwater | Photo | Tero Linjama | CC0 1.0 | iNaturalist |
| Great Swallow-tailed Swift | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Great Swallow-tailed Swift | Sound | Carlos Funes | CC BY 4.0 | iNaturalist |
| Great Tinamou | Photo | Adobe Stock #399551089 | Enhanced licence | Adobe Stock #399551089 |
| Great Tinamou | Sound | Liam Steele | CC BY 4.0 | iNaturalist |
| Great-tailed Grackle | Photo | Andy Wilson | CC0 1.0 | iNaturalist |
| Great-tailed Grackle | Sound | Carl Ramirez | CC BY 4.0 | iNaturalist |
| Greater Ani | Photo | Esteban Poveda | CC BY 4.0 | iNaturalist |
| Greater Ani | Sound | Raquel Mondino | CC BY 4.0 | iNaturalist |
| Greater Scaup | Photo | Gavin Slater | CC BY 4.0 | iNaturalist |
| Greater Scaup | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Greater White-fronted Goose | Photo | Bill Levine | CC BY 4.0 | iNaturalist |
| Greater White-fronted Goose | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Greater Yellowlegs | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Greater Yellowlegs | Sound | wildreturn | CC0 1.0 | iNaturalist |
| Green Hermit | Photo | Quarterland Photos | Enhanced licence | Adobe Stock #1314482198 |
| Green Hermit | Sound | Andre Knocklein | CC BY 4.0 | iNaturalist |
| Green Heron | Photo | Teresa | Enhanced licence | Adobe Stock #2043983971 |
| Green Heron | Sound | Laura Mae | CC BY 4.0 | iNaturalist |
| Green Honeycreeper | Photo | Teresa | Enhanced licence | Adobe Stock #2043983954 |
| Green Honeycreeper | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Green Ibis | Photo | Adobe Stock #400705867 | Enhanced licence | Adobe Stock #400705867 |
| Green Ibis | Sound | Carrie Seltzer | CC BY 4.0 | iNaturalist |
| Green Kingfisher | Photo | Giedriius | Standard licence | Shutterstock #2766170861 |
| Green Kingfisher | Sound | Kozue Kawakami | CC BY-SA 4.0 | iNaturalist |
| Green Shrike-Vireo | Photo | Anthony Batista | CC BY 4.0 | iNaturalist |
| Green Shrike-Vireo | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Green Thorntail | Photo | Miroslav Srb | Enhanced licence | Adobe Stock #2214711503 |
| Green-and-rufous Kingfisher | Photo | guentermanaus | Standard licence | Shutterstock #2245155907 |
| Green-and-rufous Kingfisher | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Green-breasted Mango | Photo | Tom | Enhanced licence | Adobe Stock #335168597 |
| Green-breasted Mango | Sound | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| Green-crowned Brilliant | Photo | Kari Post | Enhanced licence | Adobe Stock #2066572771 |
| Green-fronted Lancebill | Photo | Adobe Stock #805904994 | Enhanced licence | Adobe Stock #805904994 |
| Green-fronted Lancebill | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Green-winged Teal | Photo | David A. Rodríguez Arias | CC BY 4.0 | iNaturalist |
| Green-winged Teal | Sound | Евгений Маринкин | CC BY 4.0 | iNaturalist |
| Greenish Elaenia | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Greenish Elaenia | Sound | Carlos Martínez | CC BY 4.0 | iNaturalist |
| Groove-billed Ani | Photo | Adobe Stock #877188991 | Enhanced licence | Adobe Stock #877188991 |
| Groove-billed Ani | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Gull-billed Tern | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Gull-billed Tern | Sound | Yves Bas | CC BY 4.0 | iNaturalist |
| Hacienda Barú Lodge | Photo | Hacienda Barú Lodge | Lodge photo | The lodge |
| Hacienda Guachipelin | Photo | Hacienda Guachipelin | Lodge photo | The lodge |
| Hairy Woodpecker | Photo | Artush | Standard licence | Shutterstock #2149890861 |
| Hairy Woodpecker | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Harpy Eagle | Photo | Adobe Stock #513244190 | Enhanced licence | Adobe Stock #513244190 |
| Harris's Hawk | Photo | Martin Erdniss | Standard licence | Shutterstock #2724540661 |
| Harris's Hawk | Sound | Antonio W. Salas | CC BY 4.0 | iNaturalist |
| Heermann's Gull | Photo | steve b | CC0 1.0 | iNaturalist |
| Heermann's Gull | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Hepatic Tanager | Photo | Caroline Quinn | CC BY 4.0 | iNaturalist |
| Hepatic Tanager | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Hermit Warbler | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| Hermit Warbler | Sound | Jeff Ward | CC BY 4.0 | iNaturalist |
| Highland Tinamou | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Highland Tinamou | Sound | alicia penney | CC BY 4.0 | iNaturalist |
| Highlands | Photo | pisces2386 | Enhanced licence | Adobe Stock #215495311 |
| Hiker with binoculars in the rainforest | Photo | Daniel Megias | Standard licence | Shutterstock #2814943977 |
| Hoffmann's Woodpecker | Photo | Adobe Stock #827200003 | Enhanced licence | Adobe Stock #827200003 |
| Hoffmann's Woodpecker | Sound | loarie | CC0 1.0 | iNaturalist |
| Hooded Merganser | Photo | Justin Flint | CC BY 4.0 | iNaturalist |
| Hooded Merganser | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Hooded Warbler | Photo | steve b | CC0 1.0 | iNaturalist |
| Hooded Warbler | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Hook-billed Kite | Photo | InAweofGod'sCreation | CC BY 4.0 | iNaturalist |
| Hotel Bougainvillea | Photo | Hotel Bougainvillea | Lodge photo | The lodge |
| Hotel Casa Turire | Photo | Hotel Casa Turire | Lodge photo | The lodge |
| Hotel Casa Turire | Photo | Hotel Casa Turire | Lodge photo | The lodge |
| Hotel Cristal Ballena | Photo | Hotel Cristal Ballena | Lodge photo | The lodge |
| Hotel Punta Leona | Photo | Hotel Punta Leona | Lodge photo | The lodge |
| Hotel Quelitales | Photo | Hotel Quelitales | Lodge photo | The lodge |
| Hotel San Bada | Photo | Hotel San Bada | Lodge photo | The lodge |
| Hotel Suria | Photo | Hotel Suria | Lodge photo | The lodge |
| House Sparrow | Photo | Kat B | CC BY 4.0 | iNaturalist |
| House Sparrow | Sound | Eduardo A. Bolaños Vargas | CC BY 4.0 | iNaturalist |
| Hudsonian Godwit | Photo | William Harland | CC BY 4.0 | iNaturalist |
| Hudsonian Godwit | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Hudsonian Whimbrel | Photo | tonyblake | CC0 1.0 | iNaturalist |
| Hudsonian Whimbrel | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Inca Dove | Photo | cratervalley | Enhanced licence | Adobe Stock #312428156 |
| Inca Dove | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Inca Tern | Photo | Federico Muñoz | CC0 1.0 | iNaturalist |
| Indigo Bunting | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Indigo Bunting | Sound | Sam Ehlers | CC BY 4.0 | iNaturalist |
| Isthmian Wren | Photo | cratervalley | Enhanced licence | Adobe Stock #129328753 |
| Isthmian Wren | Sound | Aitor | CC BY 4.0 | iNaturalist |
| Ivory-billed Woodcreeper | Photo | avocat | CC BY 4.0 | iNaturalist |
| Ivory-billed Woodcreeper | Sound | Emerson Harman | CC BY 4.0 | iNaturalist |
| Jabiru | Photo | Nick Dale | Enhanced licence | Adobe Stock #125204728 |
| Jabiru | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #193285717 |
| Jabiru | Photo | Marion | Enhanced licence | Adobe Stock #313552385 |
| Keel-billed Motmot | Photo | Adobe Stock #598431985 | Enhanced licence | Adobe Stock #598431985 |
| Keel-billed Motmot | Sound | Oliver Komar | CC BY-SA 4.0 | Wikimedia Commons |
| Keel-billed Toucan | Photo | buteo | Enhanced licence | Adobe Stock #26215040 |
| Keel-billed Toucan | Photo | Adobe Stock #400775008 | Enhanced licence | Adobe Stock #400775008 |
| Keel-billed Toucan | Photo | Dennis W Donohue | Standard licence | Shutterstock #2636444971 |
| Keel-billed Toucan | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Kelp Gull | Photo | William Harland | CC BY 4.0 | iNaturalist |
| Kelp Gull | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Kentucky Warbler | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Kentucky Warbler | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Killdeer | Photo | Andre Knocklein | CC BY 4.0 | iNaturalist |
| Killdeer | Sound | Mason Holum | CC BY 4.0 | iNaturalist |
| King Vulture | Photo | Quarterland Photos | Enhanced licence | Adobe Stock #1314464682 |
| King Vulture | Photo | Adobe Stock #2694826945 | Enhanced licence | Adobe Stock #2694826945 |
| King Vulture | Photo | Adobe Stock #65256489 | Enhanced licence | Adobe Stock #65256489 |
| La Cusinga Lodge | Photo | La Cusinga Lodge | Lodge photo | The lodge |
| La Ensenada | Photo | La Ensenada | Lodge photo | The lodge |
| La Selva Biological Station | Photo | La Selva Biological Station | Lodge photo | The lodge |
| Laguna Lodge | Photo | Laguna Lodge | Lodge photo | The lodge |
| Lance-tailed Manakin | Photo | Don Wellmann | CC0 1.0 | iNaturalist |
| Lance-tailed Manakin | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Lanceolated Monklet | Photo | Dario Taraborelli | CC0 1.0 | iNaturalist |
| Lanceolated Monklet | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Lapa Rios Ecolodge | Photo | Lapa Rios Ecolodge | Lodge photo | The lodge |
| Large-billed Tern | Photo | Matt Felperin | CC BY 4.0 | iNaturalist |
| Large-billed Tern | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| Large-footed Finch | Photo | Carlos | Enhanced licence | Adobe Stock #1083584224 |
| Large-footed Finch | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Lark Sparrow | Photo | Jared Shorma | CC BY 4.0 | iNaturalist |
| Lark Sparrow | Sound | Michele Jones | CC BY 4.0 | iNaturalist |
| Las Cruces Biological Station | Photo | Las Cruces Biological Station | Lodge photo | The lodge |
| Lattice-tailed Trogon | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Laughing Falcon | Photo | Adobe Stock #581338869 | Enhanced licence | Adobe Stock #581338869 |
| Laughing Falcon | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Laughing Gull | Photo | Ellyne Geurts | CC0 1.0 | iNaturalist |
| Laughing Gull | Sound | Lyndsey | CC BY 4.0 | iNaturalist |
| Leach's Storm-Petrel | Photo | Don Wellmann | CC0 1.0 | iNaturalist |
| Leach's Storm-Petrel | Sound | Sean Vanderluit | CC BY 4.0 | iNaturalist |
| Least Bittern | Photo | vagabond54 | Standard licence | Shutterstock #2791366209 |
| Least Bittern | Sound | Benoit Renaud | CC BY 4.0 | iNaturalist |
| Least Flycatcher | Photo | Sean Vanderluit | CC BY 4.0 | iNaturalist |
| Least Flycatcher | Sound | Sean Vanderluit | CC BY 4.0 | iNaturalist |
| Least Grebe | Photo | cactusauria | CC BY 4.0 | iNaturalist |
| Least Grebe | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Least Sandpiper | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Least Sandpiper | Sound | Linzy L. | CC BY-SA 4.0 | iNaturalist |
| Least Storm-Petrel | Photo | David Rankin | CC BY 4.0 | iNaturalist |
| Least Tern | Photo | Alina Martin | CC BY 4.0 | iNaturalist |
| Least Tern | Photo | Brooke J. | CC BY 4.0 | iNaturalist |
| Least Tern | Sound | damienxw | CC0 1.0 | iNaturalist |
| Lesser Black-backed Gull | Photo | Bjoern Wylezich | Standard licence | Shutterstock #2640939397 |
| Lesser Black-backed Gull | Sound | chris_sherlock | CC BY 4.0 | iNaturalist |
| Lesser Elaenia | Photo | Dario Taraborelli | CC0 1.0 | iNaturalist |
| Lesser Elaenia | Sound | agujaceratops | CC BY 4.0 | iNaturalist |
| Lesser Goldfinch | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| Lesser Goldfinch | Sound | truthseqr | CC0 1.0 | iNaturalist |
| Lesser Greenlet | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Lesser Greenlet | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Lesser Ground-Cuckoo | Photo | Adobe Stock #455521767 | Enhanced licence | Adobe Stock #455521767 |
| Lesser Kisdadee | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Lesser Kisdadee | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Lesser Nighthawk | Photo | Seig | CC BY 4.0 | iNaturalist |
| Lesser Nighthawk | Sound | Austin R. Kelly | CC BY 4.0 | iNaturalist |
| Lesser Scaup | Photo | Tristan Jobin | CC BY 4.0 | iNaturalist |
| Lesser Swallow-tailed Swift | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Lesser Violetear | Photo | Dean Hester | CC BY 4.0 | iNaturalist |
| Lesser Violetear | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Lesser Yellow-headed Vulture | Photo | Bergheimat | Enhanced licence | Adobe Stock #1081148959 |
| Lesser Yellowlegs | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Lesser Yellowlegs | Sound | Ken Clark | CC BY 4.0 | iNaturalist |
| Lesson's Motmot | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #109768357 |
| Lesson's Motmot | Photo | Eli Freidus | Enhanced licence | Adobe Stock #1831155259 |
| Lesson’s Motmot | Sound | Court Harding | CC BY 4.0 | iNaturalist |
| Lesson's Seedeater | Photo | Vincent A. Vos | CC BY 4.0 | iNaturalist |
| Limpkin | Photo | Roman | Enhanced licence | Adobe Stock #2228612642 |
| Limpkin | Sound | Lyndsey | CC BY 4.0 | iNaturalist |
| Lincoln's Sparrow | Photo | Lisa Wiencek Gerbec | CC BY 4.0 | iNaturalist |
| Lincoln's Sparrow | Sound | Matt Wallace | CC BY 4.0 | iNaturalist |
| Lineated Foliage-gleaner | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Lineated Foliage-gleaner | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Lineated Woodpecker | Photo | Eder Paisan | Standard licence | Shutterstock #2496433375 |
| Lineated Woodpecker | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Lined Seedeater | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Lined Seedeater | Sound | agujaceratops | CC BY 4.0 | iNaturalist |
| Little Blue Heron | Photo | SurfyArt | Enhanced licence | Adobe Stock #1923212974 |
| Little Blue Heron | Sound | Guy Babineau | CC BY 4.0 | iNaturalist |
| Little Tinamou | Photo | feathercollector | Enhanced licence | Adobe Stock #2206496224 |
| Little Tinamou | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Long-billed Curlew | Photo | Dan Vickers | CC BY 4.0 | iNaturalist |
| Long-billed Curlew | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Long-billed Dowitcher | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Long-billed Dowitcher | Sound | William Harmon | CC BY 4.0 | iNaturalist |
| Long-billed Gnatwren | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Long-billed Gnatwren | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Long-billed Hermit | Photo | petrsalinger | Enhanced licence | Adobe Stock #238803074 |
| Long-billed Hermit | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| Long-billed Starthroat | Photo | Rocky | Enhanced licence | Adobe Stock #1015481044 |
| Long-tailed Jaeger | Photo | Лариса Артемьева | CC0 1.0 | iNaturalist |
| Long-tailed Manakin | Photo | Adobe Stock #601243607 | Enhanced licence | Adobe Stock #601243607 |
| Long-tailed Manakin | Sound | matthias55 | CC0 1.0 | iNaturalist |
| Long-tailed Silky-flycatcher | Photo | Thorsten Spoerlein | Enhanced licence | Adobe Stock #2072476781 |
| Long-tailed Silky-flycatcher | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Long-tailed Tyrant | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Long-tailed Tyrant | Sound | Miguel A. Paixão | CC BY 4.0 | iNaturalist |
| Louisiana Waterthrush | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Louisiana Waterthrush | Sound | matthias55 | CC0 1.0 | iNaturalist |
| Lovely Cotinga | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Macaw Lodge | Photo | Macaw Lodge | Lodge photo | The lodge |
| Macaw Lodge | Photo | Macaw Lodge | Lodge photo | The lodge |
| MacGillivray's Warbler | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| MacGillivray's Warbler | Sound | abbyhyde | CC0 1.0 | iNaturalist |
| Magenta-throated Woodstar | Photo | steheap | Enhanced licence | Adobe Stock #1871512822 |
| Magnificent Frigatebird | Photo | Daniel Lamborn | Enhanced licence | Adobe Stock #1333964368 |
| Magnificent Frigatebird | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Magnolia Warbler | Photo | andrew2285 | CC0 1.0 | iNaturalist |
| Magnolia Warbler | Sound | Liren Varghese | CC BY 4.0 | iNaturalist |
| Maguari Stork | Photo | Luciano Massa | CC BY 4.0 | iNaturalist |
| Maguari Stork | Sound | Naelin | CC BY 4.0 | iNaturalist |
| Mallard | Photo | I Wei Huang | Standard licence | Shutterstock #2228942199 |
| Mallard | Sound | xianning | CC0 1.0 | iNaturalist |
| Mangrove Cuckoo | Photo | Seig | CC BY 4.0 | iNaturalist |
| Mangrove Cuckoo | Sound | Nick Block | CC BY 4.0 | iNaturalist |
| Mangrove Hummingbird | Photo | David A. Rodríguez Arias | CC BY 4.0 | iNaturalist |
| Mangrove Rail | Photo | Thomaz de Carvalho Callado | CC BY 4.0 | Wikimedia Commons |
| Mangrove Rail | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Mangrove Swallow | Photo | Steph Brulot-Sawchyn | CC0 1.0 | iNaturalist |
| Mangrove Vireo | Photo | avocat | CC BY 4.0 | iNaturalist |
| Mangrove Vireo | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Mangrove Yellow Warbler | Photo | cello caruso-turiello | CC BY 4.0 | iNaturalist |
| Mangrove Yellow Warbler | Sound | Eliezer Nieves-Rodriguez | CC BY 4.0 | iNaturalist |
| Manx Shearwater | Photo | Martin Reith | CC BY-SA 4.0 | Wikimedia Commons |
| Maquenque Eco Lodge | Photo | Maquenque Eco Lodge | Lodge photo | The lodge |
| Marbled Godwit | Photo | avocat | CC BY 4.0 | iNaturalist |
| Marbled Godwit | Sound | Mary Krieger | CC BY 4.0 | iNaturalist |
| Marbled Wood-Quail | Photo | Francesco Veronesi | CC BY-SA 2.0 | Wikimedia Commons |
| Marbled Wood-Quail | Sound | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Markham's Storm-Petrel | Photo | Jorge Herreros de Lartundo | CC BY 4.0 | iNaturalist |
| Maroon-chested Ground Dove | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| Maroon-chested Ground Dove | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Masked Booby | Photo | R Vasconcellos | CC BY 4.0 | iNaturalist |
| Masked Duck | Photo | Adobe Stock #416779750 | Enhanced licence | Adobe Stock #416779750 |
| Masked Tityra | Photo | Tristan Jobin | CC BY 4.0 | iNaturalist |
| Masked Tityra | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Mawamba Lodge | Photo | Mawamba Lodge | Lodge photo | The lodge |
| Mealy Amazon | Photo | Joe crutwell | CC BY 4.0 | iNaturalist |
| Mealy Amazon | Sound | Eric Schmidt | CC BY 4.0 | iNaturalist |
| Melodious Blackbird | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Melodious Blackbird | Sound | Arthur de Jesús Chavarría Pérez | CC BY 4.0 | iNaturalist |
| Merlin | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Merlin | Sound | Joshua V. Addesi | CC BY 4.0 | iNaturalist |
| Middle American Leaftosser | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Middle American Screech-Owl | Photo | Adobe Stock #591855552 | Enhanced licence | Adobe Stock #591855552 |
| Middle American Screech-Owl | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Mirador de Quetzales | Photo | Mirador de Quetzales | Lodge photo | The lodge |
| Mississippi Kite | Photo | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| Mississippi Kite | Sound | Grant Foster | CC BY 4.0 | iNaturalist |
| Mistletoe Tyrannulet | Photo | Aitor | CC BY 4.0 | iNaturalist |
| Mistletoe Tyrannulet | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| Monteverde Lodge & Gardens | Photo | Monteverde Lodge & Gardens | Lodge photo | The lodge |
| Montezuma Oropendola | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #146220016 |
| Montezuma Oropendola | Photo | Adobe Stock #655287570 | Enhanced licence | Adobe Stock #655287570 |
| Montezuma Oropendola | Photo | Artush | Standard licence | Shutterstock #2570463681 |
| Montezuma Oropendola | Sound | Martin Jung | CC BY 4.0 | iNaturalist |
| Morelet's Seedeater | Photo | Alina Martin | CC BY 4.0 | iNaturalist |
| Morelet's Seedeater | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Mottled Owl | Photo | Steph Brulot-Sawchyn | CC0 1.0 | iNaturalist |
| Mottled Owl | Sound | Hersson Ramírez | CC BY 4.0 | iNaturalist |
| Mountain Elaenia | Photo | Michelle Monge-Velazquez | CC BY 4.0 | iNaturalist |
| Mountain Elaenia | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Mountain Thrush | Photo | Sandra Keller | CC BY 4.0 | iNaturalist |
| Mourning Dove | Photo | Texas Bird Family | CC BY 4.0 | iNaturalist |
| Mourning Dove | Sound | spacewhales | CC BY-SA 4.0 | iNaturalist |
| Mourning Warbler | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Mourning Warbler | Sound | Sam Ehlers | CC BY 4.0 | iNaturalist |
| Mouse-colored Tyrannulet | Photo | Gabriel Reinoso Franchino | CC BY 4.0 | iNaturalist |
| Mouse-colored Tyrannulet | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Muscovy Duck | Photo | Myrarte | Enhanced licence | Adobe Stock #2110310443 |
| Muscovy Duck | Sound | damienxw | CC0 1.0 | iNaturalist |
| Nashville Warbler | Photo | Fernando Pérez Peralta | CC0 1.0 | iNaturalist |
| Nashville Warbler | Sound | kristinpiston | CC0 1.0 | iNaturalist |
| Nazca Booby | Photo | Luke Padon | CC BY 4.0 | iNaturalist |
| Neotropic Cormorant | Photo | Adobe Stock #929432405 | Enhanced licence | Adobe Stock #929432405 |
| Neotropic Cormorant | Sound | Naelin | CC BY 4.0 | iNaturalist |
| Nicaraguan Grackle | Photo | Don Wellmann | CC0 1.0 | iNaturalist |
| Nicaraguan Seed-Finch | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Nightingale Wren | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Nightingale Wren | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Northern Barred-Woodcreeper | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Northern Barred-Woodcreeper | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Northern Beardless-Tyrannulet | Photo | James M. Maley | CC BY 4.0 | iNaturalist |
| Northern Beardless-Tyrannulet | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Northern Bentbill | Photo | Vijay Barve | CC0 1.0 | iNaturalist |
| Northern Bentbill | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Northern Emerald-Toucanet | Photo | Quarterland Photos | Enhanced licence | Adobe Stock #1314490779 |
| Northern Emerald-Toucanet | Photo | Artush | Standard licence | Shutterstock #2149890851 |
| Northern Emerald-Toucanet | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Northern Harrier | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Northern Harrier | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Northern Jacana | Photo | Artush | Standard licence | Shutterstock #2366417187 |
| Northern Jacana | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Northern Mockingbird | Photo | Bill Keim | CC BY 4.0 | iNaturalist |
| Northern Mockingbird | Sound | Pablo F. Domínguez | CC BY 4.0 | iNaturalist |
| Northern Pacific Lowlands | Photo | Adobe Stock #405644859 | Enhanced licence | Adobe Stock #405644859 |
| Northern Parula | Photo | Andre Knocklein | CC BY 4.0 | iNaturalist |
| Northern Parula | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Northern Pintail | Photo | Matt Felperin | CC BY 4.0 | iNaturalist |
| Northern Pintail | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Northern Plain-Xenops | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Northern Plain-Xenops | Sound | Alessandro Franchini | CC BY 4.0 | iNaturalist |
| Northern Potoo | Photo | Consejo/imageBROKER | Enhanced licence | Adobe Stock #1228922806 |
| Northern Potoo | Sound | cello caruso-turiello | CC BY 4.0 | iNaturalist |
| Northern Rough-winged Swallow | Photo | Wirestock Creators | Standard licence | Shutterstock #2538135533 |
| Northern Rough-winged Swallow | Sound | Laura Mae | CC BY 4.0 | iNaturalist |
| Northern Schiffornis | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Northern Schiffornis | Sound | Ben Meredyk | CC BY 4.0 | iNaturalist |
| Northern Scrub-Flycatcher | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Northern Shoveler | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| Northern Shoveler | Sound | David Weisenbeck | CC BY 4.0 | iNaturalist |
| Northern Tropical Pewee | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Northern Waterthrush | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Northern Waterthrush | Sound | Sam Ehlers | CC BY 4.0 | iNaturalist |
| Northern Yellow Warbler | Photo | Anthony Mora Aguilar | CC BY 4.0 | iNaturalist |
| Northern Yellow Warbler | Sound | Sydney Gerig | CC BY 4.0 | iNaturalist |
| Nutting's Flycatcher | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Nutting's Flycatcher | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Ocellated Antbird | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Ocellated Antbird | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Ocellated Crake | Photo | Theo Rickert | CC BY 4.0 | iNaturalist |
| Ocellated Crake | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Ocellated Poorwill | Photo | Adobe Stock #558819377 | Enhanced licence | Adobe Stock #558819377 |
| Ocellated Poorwill | Sound | Douglas | CC BY 4.0 | iNaturalist |
| Ochraceous Pewee | Photo | Roger Rittmaster | CC BY 4.0 | iNaturalist |
| Ochraceous Wren | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Ochraceous Wren | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| Ochre-bellied Flycatcher | Photo | Dean Hester | CC BY 4.0 | iNaturalist |
| Ochre-bellied Flycatcher | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Ochre-breasted Antpitta | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Ochre-breasted Antpitta | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Ochre-crowned Greenlet | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Ochre-crowned Greenlet | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Oilbird | Photo | Aitor | CC BY 4.0 | iNaturalist |
| Oilbird | Sound | Jan Ebr & Ivana Ebrová | CC BY 4.0 | iNaturalist |
| Olivaceous Piculet | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Olivaceous Woodcreeper | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Olivaceous Woodcreeper | Sound | agujaceratops | CC BY 4.0 | iNaturalist |
| Olive Sparrow | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Olive Sparrow | Sound | marcelodelagarza | CC0 1.0 | iNaturalist |
| Olive-backed Euphonia | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Olive-backed Euphonia | Sound | Florencia Grattarola | CC BY 4.0 | iNaturalist |
| Olive-backed Quail-Dove | Photo | Emily Franzen | CC BY 4.0 | iNaturalist |
| Olive-crowned Yellowthroat | Photo | Steph Brulot-Sawchyn | CC0 1.0 | iNaturalist |
| Olive-sided Flycatcher | Photo | Russ Namitz | CC0 1.0 | iNaturalist |
| Olive-sided Flycatcher | Sound | julesthebirder | CC BY 4.0 | iNaturalist |
| Olive-streaked Flycatcher | Photo | David Rankin | CC BY 4.0 | iNaturalist |
| Olive-streaked Flycatcher | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Olive-throated Parakeet | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| Olive-throated Parakeet | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Orange-billed Nightingale-Thrush | Photo | maureen_c-m | CC BY 4.0 | iNaturalist |
| Orange-billed Nightingale-Thrush | Sound | Hersson Ramírez | CC BY 4.0 | iNaturalist |
| Orange-billed Sparrow | Photo | avocat | CC BY 4.0 | iNaturalist |
| Orange-billed Sparrow | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Orange-breasted Falcon | Photo | Derek Spencer | CC BY 4.0 | iNaturalist |
| Orange-chinned Parakeet | Photo | Adobe Stock #2445471609 | Enhanced licence | Adobe Stock #2445471609 |
| Orange-chinned Parakeet | Photo | Dan Fitzgerald (Fitz) | CC0 1.0 | iNaturalist |
| Orange-chinned Parakeet | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Orange-collared Manakin | Photo | Adobe Stock #386713557 | Enhanced licence | Adobe Stock #386713557 |
| Orange-collared Manakin | Sound | anasacuta | CC BY 4.0 | iNaturalist |
| Orange-crowned Warbler | Photo | Wirestock Creators | Standard licence | Shutterstock #2556822605 |
| Orange-crowned Warbler | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Orange-fronted Parakeet | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Orange-fronted Parakeet | Sound | David Umanzor | CC BY 4.0 | iNaturalist |
| Orchard Oriole | Photo | Malo Ramírez | CC0 1.0 | iNaturalist |
| Orchard Oriole | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Ornate Hawk-Eagle | Photo | Adobe Stock #533520586 | Enhanced licence | Adobe Stock #533520586 |
| Ornate Hawk-Eagle | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Osprey | Photo | Adobe Stock #948220303 | Enhanced licence | Adobe Stock #948220303 |
| Osprey | Sound | Peter Abrahamsen | CC BY 4.0 | iNaturalist |
| Ovenbird | Photo | Pål A. Olsvik | CC BY 4.0 | iNaturalist |
| Ovenbird | Sound | Mary Krieger | CC BY 4.0 | iNaturalist |
| Pachira Lodge | Photo | Pachira Lodge | Lodge photo | The lodge |
| Pacific Golden-Plover | Photo | James M. Maley | CC BY 4.0 | iNaturalist |
| Pacific Golden-Plover | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| Pacific Golden-Plover | Sound | rudyard | CC0 1.0 | iNaturalist |
| Pacific Screech-Owl | Photo | Adobe Stock #827215958 | Enhanced licence | Adobe Stock #827215958 |
| Pacific Screech-Owl | Sound | Jon Robson | CC BY-SA 4.0 | iNaturalist |
| Paint-billed Crake | Photo | Leandro | Enhanced licence | Adobe Stock #1840690082 |
| Painted Bunting | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Painted Bunting | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Pale-billed Woodpecker | Photo | ChWeiss | Standard licence | Shutterstock #2450764355 |
| Pale-billed Woodpecker | Sound | oscar312 | CC0 1.0 | iNaturalist |
| Pale-breasted Spinetail | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Pale-breasted Spinetail | Sound | GERMAN LEONEL SARMIENTO CRUZ | CC BY 4.0 | iNaturalist |
| Pale-vented Pigeon | Photo | Chris | Enhanced licence | Adobe Stock #280366894 |
| Pale-vented Pigeon | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Pale-vented Thrush | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Palm Tanager | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Palm Tanager | Sound | gabrielfialho | CC0 1.0 | iNaturalist |
| Palm Warbler | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| Palm Warbler | Sound | Guy Babineau | CC BY 4.0 | iNaturalist |
| Palo Verde wetlands | Photo | salparadis | Enhanced licence | Adobe Stock #210440951 |
| Panama Flycatcher | Photo | Laurel Meredyk | CC BY 4.0 | iNaturalist |
| Panama Flycatcher | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Parasitic Jaeger | Photo | Melanie Gaddy | CC0 1.0 | iNaturalist |
| Parasitic Jaeger | Sound | Syd Cannings | CC BY 4.0 | iNaturalist |
| Parkinson’s Petrel | Photo | feathercollector | Standard licence | Shutterstock #159288749 |
| Pearl Kite | Photo | Adobe Stock #903004413 | Enhanced licence | Adobe Stock #903004413 |
| Pearl Kite | Sound | Miguel A. Paixão | CC BY 4.0 | iNaturalist |
| Pectoral Sandpiper | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Pectoral Sandpiper | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Peg-billed Finch | Photo | gwynmwilliams | CC BY 4.0 | iNaturalist |
| Peregrine Falcon | Photo | djones_uk | CC BY 4.0 | iNaturalist |
| Peregrine Falcon | Sound | Wich’yanan (Jay) Limparungpatthanakij | CC BY 4.0 | iNaturalist |
| Peruvian Booby | Photo | Matt Berger | CC BY 4.0 | iNaturalist |
| Pheasant Cuckoo | Photo | Adobe Stock #459776299 | Enhanced licence | Adobe Stock #459776299 |
| Pheasant Cuckoo | Sound | Thibaud Aronson | CC BY-SA 4.0 | iNaturalist |
| Philadelphia Vireo | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Philadelphia Vireo | Sound | Caleb Catto | CC BY 4.0 | iNaturalist |
| Pied Puffbird | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Pied-billed Grebe | Photo | Joseph Aubert | CC BY 4.0 | iNaturalist |
| Pied-billed Grebe | Sound | watertype | CC0 1.0 | iNaturalist |
| Pine Warbler | Photo | vagabond54 | Standard licence | Shutterstock #2633496315 |
| Pine Warbler | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Pink-footed Shearwater | Photo | Charlotte Kirchner | CC BY 4.0 | iNaturalist |
| Pinnated Bittern | Photo | Adobe Stock #468297126 | Enhanced licence | Adobe Stock #468297126 |
| Pinnated Bittern | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Piping Long-tailed Woodcreeper | Photo | Federico Muñoz | CC0 1.0 | iNaturalist |
| Piping Plover | Photo | GobyHunter | CC BY 4.0 | iNaturalist |
| Piping Plover | Sound | cassi saari | CC BY 4.0 | iNaturalist |
| Piratic Flycatcher | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Piratic Flycatcher | Sound | Arthur de Jesús Chavarría Pérez | CC BY 4.0 | iNaturalist |
| Plain Antvireo | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Plain Antvireo | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Plain Chachalaca | Photo | Adobe Stock #420855756 | Enhanced licence | Adobe Stock #420855756 |
| Plain Chachalaca | Sound | José Gerardo Velasco | CC BY-SA 4.0 | iNaturalist |
| Plain-breasted Ground Dove | Photo | guentermanaus | Enhanced licence | Adobe Stock #1864279763 |
| Plain-brown Woodcreeper | Photo | andrew2285 | CC0 1.0 | iNaturalist |
| Plain-brown Woodcreeper | Sound | Michael Bakker Paiva | CC BY 4.0 | iNaturalist |
| Plain-capped Starthroat | Photo | Adobe Stock #85197201 | Enhanced licence | Adobe Stock #85197201 |
| Plain-colored Tanager | Photo | Patrick Jackson | CC BY 4.0 | iNaturalist |
| Playa Cativo Eco-Lodge | Photo | Playa Cativo Eco-Lodge | Lodge photo | The lodge |
| Playa Nicuesa Lodge | Photo | Playa Nicuesa Lodge | Lodge photo | The lodge |
| Plumbeous Kite | Photo | Leonardo Mercon | Standard licence | Shutterstock #1538764424 |
| Plumbeous Kite | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Poás Volcano Lodge | Photo | Poás Volcano Lodge | Lodge photo | The lodge |
| Pomarine Jaeger | Photo | Owen Strickland | CC BY 4.0 | iNaturalist |
| Prairie Warbler | Photo | Court Harding | CC BY 4.0 | iNaturalist |
| Prairie Warbler | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| Prong-billed Barbet | Photo | PetrDolejsek | Enhanced licence | Adobe Stock #280830419 |
| Prong-billed Barbet | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| Prothonotary Warbler | Photo | Adobe Stock #2553773375 | Enhanced licence | Adobe Stock #2553773375 |
| Prothonotary Warbler | Photo | Tristan Jobin | CC BY 4.0 | iNaturalist |
| Prothonotary Warbler | Sound | Ken Clark | CC BY 4.0 | iNaturalist |
| Puntarenas Screech-Owl (undescribed form) | Photo | Matt Muir | CC BY 4.0 | iNaturalist |
| Purple Gallinule | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Purple Gallinule | Sound | Steve Collins | CC BY 4.0 | iNaturalist |
| Purple Martin | Photo | fede2cr | CC BY 4.0 | iNaturalist |
| Purple Martin | Sound | Skyler Principe | CC BY 4.0 | iNaturalist |
| Purple-crowned Fairy | Photo | charlie | Enhanced licence | Adobe Stock #2226048908 |
| Purple-throated Fruitcrow | Photo | tonyblake | CC0 1.0 | iNaturalist |
| Purple-throated Fruitcrow | Sound | Steve Collins | CC BY 4.0 | iNaturalist |
| Purple-throated Mountain-gem | Photo | David | Enhanced licence | Adobe Stock #196639786 |
| Purple-throated Mountain-gem | Photo | Adobe Stock #491781538 | Enhanced licence | Adobe Stock #491781538 |
| Purple-throated Mountain-gem | Photo | William Berry | Standard licence | Shutterstock #141122284 |
| Purplish-backed Quail-Dove | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Rancho Humo Estancia | Photo | Rancho Humo Estancia | Lodge photo | The lodge |
| Rancho Humo Estancia | Photo | Rancho Humo Estancia | Lodge photo | The lodge |
| Rancho Naturalista | Photo | Rancho Naturalista | Lodge photo | The lodge |
| Red Knot | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Red Knot | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Red Phalarope | Photo | Nigel Voaden | CC BY 4.0 | iNaturalist |
| Red-billed Pigeon | Photo | Adobe Stock #824448446 | Enhanced licence | Adobe Stock #824448446 |
| Red-billed Pigeon | Sound | Arturo Benavides Mendoza | CC BY 4.0 | iNaturalist |
| Red-billed Tropicbird | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Red-breasted Meadowlark | Photo | Ludovic | Enhanced licence | Adobe Stock #2237622718 |
| Red-breasted Meadowlark | Photo | Adobe Stock #86339716 | Enhanced licence | Adobe Stock #86339716 |
| Red-breasted Meadowlark | Sound | Geovanna Thaissa | CC BY 4.0 | iNaturalist |
| Red-breasted Merganser | Photo | Thomas Galewski | CC BY 4.0 | iNaturalist |
| Red-breasted Merganser | Sound | Corvi Zeman | CC BY 4.0 | iNaturalist |
| Red-capped Manakin | Photo | Mike | Enhanced licence | Adobe Stock #2007964516 |
| Red-capped Manakin | Photo | Adobe Stock #2576882459 | Enhanced licence | Adobe Stock #2576882459 |
| Red-capped Manakin | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Red-crowned Ant-Tanager | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Red-crowned Ant-Tanager | Sound | Aline Fernanda Antunes | CC BY-SA 4.0 | iNaturalist |
| Red-crowned Woodpecker | Photo | Artush | Standard licence | Shutterstock #2429968749 |
| Red-crowned Woodpecker | Sound | Henrry | CC BY 4.0 | iNaturalist |
| Red-eyed Vireo | Photo | avocat | CC BY 4.0 | iNaturalist |
| Red-eyed Vireo | Sound | Christina S. Baer | CC BY 4.0 | iNaturalist |
| Red-faced Spinetail | Photo | Dean Hester | CC BY 4.0 | iNaturalist |
| Red-faced Spinetail | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Red-footed Booby | Photo | Annika Lindqvist | CC BY 4.0 | iNaturalist |
| Red-footed Booby | Sound | qgroom | CC0 1.0 | iNaturalist |
| Red-fronted Parrotlet | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Red-headed Barbet | Photo | Quarterland Photos | Enhanced licence | Adobe Stock #1314490172 |
| Red-headed Barbet | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Red-legged Honeycreeper | Photo | elvis santana | Enhanced licence | Adobe Stock #117738374 |
| Red-legged Honeycreeper | Photo | Adobe Stock #864134800 | Enhanced licence | Adobe Stock #864134800 |
| Red-legged Honeycreeper | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Red-lored Amazon | Photo | Adobe Stock #500382108 | Enhanced licence | Adobe Stock #500382108 |
| Red-lored Amazon | Sound | Maria Janeiro | CC BY 4.0 | iNaturalist |
| Red-necked Phalarope | Photo | Christoph Moning | CC BY 4.0 | iNaturalist |
| Red-necked Phalarope | Sound | joshuagsmith | CC0 1.0 | iNaturalist |
| Red-rumped Woodpecker | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Red-rumped Woodpecker | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Red-tailed Hawk | Photo | Adobe Stock #490936996 | Enhanced licence | Adobe Stock #490936996 |
| Red-tailed Hawk | Sound | Mason Holum | CC BY 4.0 | iNaturalist |
| Red-tailed Tropicbird | Photo | Damien Wallace | CC0 1.0 | iNaturalist |
| Red-tailed Tropicbird | Sound | damienxw | CC0 1.0 | iNaturalist |
| Red-throated Ant-Tanager | Photo | Ellyne Geurts | CC0 1.0 | iNaturalist |
| Red-throated Ant-Tanager | Sound | Carrie Seltzer | CC BY 4.0 | iNaturalist |
| Red-throated Caracara | Photo | J Straka | CC BY 4.0 | iNaturalist |
| Red-throated Caracara | Sound | fern Wildtruth | CC BY 4.0 | iNaturalist |
| Red-winged Blackbird | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Red-winged Blackbird | Sound | danabuchbinder | CC BY 4.0 | iNaturalist |
| Reddish Egret | Photo | Christian Back | CC BY 4.0 | iNaturalist |
| Redhead | Photo | Reuven Martin | CC0 1.0 | iNaturalist |
| Redhead | Sound | jd_flores | CC0 1.0 | iNaturalist |
| Resplendent Quetzal | Photo | Quarterland Photos | Enhanced licence | Adobe Stock #1314484255 |
| Resplendent Quetzal | Photo | Adobe Stock #1340697578 | Enhanced licence | Adobe Stock #1340697578 |
| Resplendent Quetzal | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #134579528 |
| Resplendent Quetzal (species page) | Photo | Dudarev Mikhail | Enhanced licence | Adobe Stock #206972513 |
| Resplendent Quetzal (video) | Photo | Adobe Stock #498955647 | Enhanced licence | Adobe Stock #498955647 |
| Resplendent Quetzal | Sound | anasacuta | CC BY 4.0 | iNaturalist |
| Resplendent Quetzal, San Gerardo de Dota | Photo | Adobe Stock #802562816 | Enhanced licence | Adobe Stock #802562816 |
| Ring-billed Gull | Photo | Bailey Duncan | CC BY 4.0 | iNaturalist |
| Ring-billed Gull | Sound | Richard Littauer | CC BY 4.0 | iNaturalist |
| Ring-necked Duck | Photo | Henggang Cui | CC0 1.0 | iNaturalist |
| Ring-necked Duck | Sound | Norma Malinowski | CC BY 4.0 | iNaturalist |
| Ringed Kingfisher | Photo | Adobe Stock #351646437 | Enhanced licence | Adobe Stock #351646437 |
| Ringed Kingfisher | Sound | Nicolas Olejnik | CC BY 4.0 | iNaturalist |
| Riu Guanacaste | Photo | Riu Guanacaste | Lodge photo | The lodge |
| Riverside Wren | Photo | Çağan Şekercioğlu | Enhanced licence | Adobe Stock #1925063881 |
| Riverside Wren | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Roadside Hawk | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Roadside Hawk | Sound | Hersson Ramírez | CC BY 4.0 | iNaturalist |
| Rock Pigeon | Photo | Adobe Stock #855647185 | Enhanced licence | Adobe Stock #855647185 |
| Rock Pigeon | Sound | E. A. | CC BY 4.0 | iNaturalist |
| Rock Wren | Photo | Kevin Floyd | CC BY 4.0 | iNaturalist |
| Rock Wren | Sound | Eric Johnson | CC BY 4.0 | iNaturalist |
| Rose-breasted Grosbeak | Photo | Kristy Morley | CC BY 4.0 | iNaturalist |
| Rose-breasted Grosbeak | Sound | Thomas Koffel | CC BY 4.0 | iNaturalist |
| Rose-throated Becard | Photo | David Rankin | CC BY 4.0 | iNaturalist |
| Rose-throated Becard | Sound | Court Harding | CC BY 4.0 | iNaturalist |
| Roseate Spoonbill | Photo | Adobe Stock #564600495 | Enhanced licence | Adobe Stock #564600495 |
| Roseate Spoonbill | Photo | Artush | Standard licence | Shutterstock #2127916382 |
| Roseate Spoonbill | Sound | abraham161 | CC0 1.0 | iNaturalist |
| Roseate Tern | Photo | Matt Felperin | CC BY 4.0 | iNaturalist |
| Roseate Tern | Sound | Steve Collins | CC BY 4.0 | iNaturalist |
| Rosy Thrush-Tanager | Photo | cello caruso-turiello | CC BY 4.0 | iNaturalist |
| Rosy Thrush-Tanager | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Royal Flycatcher | Photo | Adobe Stock #367236801 | Enhanced licence | Adobe Stock #367236801 |
| Royal Tern | Photo | Gabriel Brachetti | CC BY 4.0 | iNaturalist |
| Royal Tern | Sound | Linzy L. | CC BY-SA 4.0 | iNaturalist |
| Ruby-throated Hummingbird | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Ruby-throated Hummingbird | Sound | Evan Raskin | CC BY 4.0 | iNaturalist |
| Ruddy Crake | Photo | Dan Fitzgerald (Fitz) | CC0 1.0 | iNaturalist |
| Ruddy Crake | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Ruddy Duck | Photo | Daniel Pineda Vera | CC BY 4.0 | iNaturalist |
| Ruddy Duck | Sound | Tero Linjama | CC BY 4.0 | iNaturalist |
| Ruddy Foliage-gleaner | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Ruddy Foliage-gleaner | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Ruddy Ground Dove | Photo | Adobe Stock #643012526 | Enhanced licence | Adobe Stock #643012526 |
| Ruddy Ground Dove | Sound | mitidi | CC0 1.0 | iNaturalist |
| Ruddy Pigeon | Photo | Adobe Stock #720961368 | Enhanced licence | Adobe Stock #720961368 |
| Ruddy Pigeon | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Ruddy Quail-Dove | Photo | mylasa | Enhanced licence | Adobe Stock #2204976134 |
| Ruddy Quail-Dove | Sound | Donald Davesne | CC BY 4.0 | iNaturalist |
| Ruddy Treerunner | Photo | Adobe Stock #421876893 | Enhanced licence | Adobe Stock #421876893 |
| Ruddy Turnstone | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Ruddy Turnstone | Sound | Yves Bas | CC BY 4.0 | iNaturalist |
| Ruddy Woodcreeper | Photo | Pat Hall | CC BY 4.0 | iNaturalist |
| Ruddy-breasted Seedeater | Photo | Vargas Alisson | CC BY 4.0 | iNaturalist |
| Ruddy-breasted Seedeater | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Ruddy-capped Nightingale-Thrush | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Ruddy-capped Nightingale-Thrush | Sound | Hersson Ramírez | CC BY 4.0 | iNaturalist |
| Ruddy-tailed Flycatcher | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Ruddy-tailed Flycatcher | Sound | Guillaume Delaitre | CC BY 4.0 | iNaturalist |
| Rufescent Tiger-Heron | Photo | geosesarma | CC BY 4.0 | iNaturalist |
| Rufescent Tiger-Heron | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| Ruff | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Rufous Motmot | Photo | Carlos | Enhanced licence | Adobe Stock #2230770327 |
| Rufous Motmot | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Rufous Mourner | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Rufous Mourner | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Rufous Nightjar | Photo | Adobe Stock #548750920 | Enhanced licence | Adobe Stock #548750920 |
| Rufous Nightjar | Sound | Nicolas Olejnik | CC BY 4.0 | iNaturalist |
| Rufous Piha | Photo | James M. Maley | CC BY 4.0 | iNaturalist |
| Rufous Piha | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Rufous-and-white Wren | Photo | Karen (with occasional help from Mike) | CC BY 4.0 | iNaturalist |
| Rufous-and-white Wren | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Rufous-backed Wren | Photo | Artush | Standard licence | Shutterstock #2344095783 |
| Rufous-backed Wren | Sound | loarie | CC0 1.0 | iNaturalist |
| Rufous-breasted Antthrush | Photo | Francisco Sánchez Karste | CC BY 4.0 | iNaturalist |
| Rufous-breasted Antthrush | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Rufous-breasted Wren | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Rufous-breasted Wren | Sound | Eric Schmidt | CC BY 4.0 | iNaturalist |
| Rufous-browed Peppershrike | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| Rufous-browed Peppershrike | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Rufous-browed Tyrannulet | Photo | Rajan Rao | CC BY 4.0 | iNaturalist |
| Rufous-collared Sparrow | Photo | Daniel Patterson | CC BY 4.0 | iNaturalist |
| Rufous-collared Sparrow | Sound | danpatrick | CC BY 4.0 | iNaturalist |
| Rufous-crested Coquette | Photo | Christoph Moning | CC BY 4.0 | iNaturalist |
| Rufous-necked Wood-Rail | Photo | David F. Belmonte | CC BY 4.0 | iNaturalist |
| Rufous-necked Wood-Rail | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Rufous-rumped Antwren | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Rufous-tailed Hummingbird | Photo | Adobe Stock #587093557 | Enhanced licence | Adobe Stock #587093557 |
| Rufous-tailed Hummingbird | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Rufous-tailed Jacamar | Photo | Leonardo Mercon | Standard licence | Shutterstock #1086997436 |
| Rufous-tailed Jacamar | Sound | anasacuta | CC BY 4.0 | iNaturalist |
| Rufous-vented Ground-Cuckoo | Photo | Adobe Stock #760131659 | Enhanced licence | Adobe Stock #760131659 |
| Rufous-winged Tanager | Photo | Rose Zappa | CC BY 4.0 | iNaturalist |
| Rufous-winged Tanager | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Rufous-winged Woodpecker | Photo | phototrip.cz | Enhanced licence | Adobe Stock #254272507 |
| Russet Antshrike | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Russet Antshrike | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Russet-naped Wood-Rail | Photo | Teresa | Enhanced licence | Adobe Stock #2107404531 |
| Russet-naped Wood-Rail | Sound | d99 | CC0 1.0 | iNaturalist |
| Rusty Sparrow | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Rusty-margined Flycatcher | Photo | Adobe Stock #895347571 | Enhanced licence | Adobe Stock #895347571 |
| Rusty-margined Flycatcher | Sound | Henrry | CC BY 4.0 | iNaturalist |
| Sabine's Gull | Photo | Russ Namitz | CC0 1.0 | iNaturalist |
| Salvin's Albatross | Photo | William Harland | CC BY 4.0 | iNaturalist |
| Sanderling | Photo | Bex Goreham | CC BY 4.0 | iNaturalist |
| Sanderling | Sound | Sam Hambly | CC BY 4.0 | iNaturalist |
| Sandhill Crane | Photo | Daniel S. Katz | CC BY 4.0 | iNaturalist |
| Sandhill Crane | Sound | maficjustice | CC0 1.0 | iNaturalist |
| Sandwich Tern | Photo | Joshua Smith | CC0 1.0 | iNaturalist |
| Sandwich Tern | Sound | Yves Bas | CC BY 4.0 | iNaturalist |
| Sapphire-throated Hummingbird | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Sapphire-throated Hummingbird | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Sargasso Shearwater | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Savanna Hawk | Photo | Adobe Stock #924306206 | Enhanced licence | Adobe Stock #924306206 |
| Savannah Sparrow | Photo | steve b | CC0 1.0 | iNaturalist |
| Savannah Sparrow | Sound | Sean Frey | CC BY 4.0 | iNaturalist |
| Savegre Lodge Natural Reserve & Spa | Photo | Savegre Lodge Natural Reserve & Spa | Lodge photo | The lodge |
| Savegre river valley | Photo | Adobe Stock #362594160 | Enhanced licence | Adobe Stock #362594160 |
| Scale-crested Pygmy-Tyrant | Photo | Dan Vickers | CC BY 4.0 | iNaturalist |
| Scale-crested Pygmy-Tyrant | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Scaled Antpitta | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Scaled Antpitta | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Scaled Pigeon | Photo | cratervalley | Enhanced licence | Adobe Stock #275845520 |
| Scaled Pigeon | Sound | Blake Ross | CC BY 4.0 | iNaturalist |
| Scaly-breasted Hummingbird | Photo | Quarterland Photos | Enhanced licence | Adobe Stock #1314474063 |
| Scaly-breasted Hummingbird | Sound | Jan Ebr & Ivana Ebrová | CC BY 4.0 | iNaturalist |
| Scaly-breasted Wren | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Scaly-breasted Wren | Sound | diegagoras | CC0 1.0 | iNaturalist |
| Scaly-throated Foliage-gleaner | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Scaly-throated Foliage-gleaner | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Scaly-throated Leaftosser | Photo | Adobe Stock #827216321 | Enhanced licence | Adobe Stock #827216321 |
| Scaly-throated Leaftosser | Sound | Aitor | CC BY 4.0 | iNaturalist |
| Scarlet Macaw | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #134579458 |
| Scarlet Macaw | Photo | Andrew | Enhanced licence | Adobe Stock #136102324 |
| Scarlet Macaw | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #167214131 |
| Scarlet Macaw | Photo | David | Enhanced licence | Adobe Stock #201033226 |
| Scarlet Macaw | Photo | Teresa | Enhanced licence | Adobe Stock #2062078920 |
| Scarlet Macaw | Photo | Martin Mecnarowski | Enhanced licence | Adobe Stock #209319471 |
| Scarlet Macaw (video) | Photo | Adobe Stock #496717173 | Enhanced licence | Adobe Stock #496717173 |
| Scarlet Macaw | Photo | Artush | Standard licence | Shutterstock #2211349505 |
| Scarlet Macaw | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Scarlet Tanager | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Scarlet Tanager | Sound | Sean Frey | CC BY 4.0 | iNaturalist |
| Scarlet-rumped Cacique | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Scarlet-rumped Cacique | Sound | Michael Bakker Paiva | CC BY 4.0 | iNaturalist |
| Scarlet-rumped Tanager | Photo | Rita Neves | Enhanced licence | Adobe Stock #1248537301 |
| Scarlet-rumped Tanager | Photo | Artush | Standard licence | Shutterstock #2376589673 |
| Scarlet-rumped Tanager | Sound | Noland Martin | CC BY 4.0 | iNaturalist |
| Scarlet-thighed Dacnis | Photo | cratervalley | Enhanced licence | Adobe Stock #257779114 |
| Scintillant Hummingbird | Photo | Dan Vickers | CC BY 4.0 | iNaturalist |
| Scissor-tailed Flycatcher | Photo | Toby Rowland | CC BY 4.0 | iNaturalist |
| Scissor-tailed Flycatcher | Sound | Meghan Cassidy | CC BY-SA 4.0 | iNaturalist |
| Scrub Euphonia | Photo | avocat | CC BY 4.0 | iNaturalist |
| Scrub Euphonia | Sound | David Umanzor | CC BY 4.0 | iNaturalist |
| Scrub Greenlet | Photo | Vargas Alisson | CC BY 4.0 | iNaturalist |
| Scrub Greenlet | Sound | GERMAN LEONEL SARMIENTO CRUZ | CC BY 4.0 | iNaturalist |
| Selva Bananito Lodge | Photo | Selva Bananito Lodge | Lodge photo | The lodge |
| Selva Verde Lodge | Photo | Selva Verde Lodge | Lodge photo | The lodge |
| Semipalmated Plover | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Semipalmated Plover | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Semipalmated Sandpiper | Photo | Don Wellmann | CC0 1.0 | iNaturalist |
| Semipalmated Sandpiper | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Semiplumbeous Hawk | Photo | Adobe Stock #557408028 | Enhanced licence | Adobe Stock #557408028 |
| Semiplumbeous Hawk | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Senda Monteverde Hotel | Photo | Senda Monteverde Hotel | Lodge photo | The lodge |
| Sepia-capped Flycatcher | Photo | Ricard Busquets Reverte | CC BY 4.0 | iNaturalist |
| Sepia-capped Flycatcher | Sound | Donald Davesne | CC BY 4.0 | iNaturalist |
| Sharp-shinned Hawk | Photo | Adobe Stock #547300803 | Enhanced licence | Adobe Stock #547300803 |
| Sharp-shinned Hawk | Sound | enspring | CC0 1.0 | iNaturalist |
| Sharpbill | Photo | David A. Rodríguez Arias | CC BY 4.0 | iNaturalist |
| Sharpbill | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Shawandha Lodge | Photo | Shawandha Lodge | Lodge photo | The lodge |
| Shining Honeycreeper | Photo | Laurel Meredyk | CC BY 4.0 | iNaturalist |
| Shiny Cowbird | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Shiny Cowbird | Sound | margaritarestrepou | CC0 1.0 | iNaturalist |
| Short-billed Dowitcher | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Short-billed Dowitcher | Sound | Jeff Ward | CC BY 4.0 | iNaturalist |
| Short-billed Pigeon | Photo | Maximilian | Enhanced licence | Adobe Stock #1073593009 |
| Short-billed Pigeon | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Short-eared Owl | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Short-eared Owl | Sound | Stuart Fisher | CC BY 4.0 | iNaturalist |
| Short-tailed Hawk | Photo | Chelsea Sampson | Enhanced licence | Adobe Stock #262823329 |
| Short-tailed Hawk | Sound | David Umanzor | CC BY 4.0 | iNaturalist |
| Short-tailed Nighthawk | Photo | Frank Thomas Sautter | CC0 1.0 | iNaturalist |
| Short-tailed Nighthawk | Sound | Ben Costamagna | CC BY 4.0 | iNaturalist |
| Short-tailed Shearwater | Photo | Dario Taraborelli | CC0 1.0 | iNaturalist |
| Short-tailed Shearwater | Sound | Paul J. Morris | CC BY-SA 4.0 | iNaturalist |
| Silver-throated Tanager | Photo | Andres Espinoza | Enhanced licence | Adobe Stock #2213109369 |
| Silver-throated Tanager | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Silvery-fronted Tapaculo | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Silvery-fronted Tapaculo | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Silvery-throated Jay | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Slate-colored Grosbeak | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Slate-colored Grosbeak | Sound | Mike Ostrowski | CC BY-SA 4.0 | iNaturalist |
| Slate-colored Seedeater | Photo | Isis I. Castro Alberto | CC BY 4.0 | iNaturalist |
| Slate-colored Seedeater | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Slate-headed Tody-Flycatcher | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Slate-throated Redstart | Photo | Karlos Lomsky | Enhanced licence | Adobe Stock #2220925815 |
| Slate-throated Redstart | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Slaty Antwren | Photo | Jay Pruett | CC BY 4.0 | iNaturalist |
| Slaty Antwren | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Slaty Finch | Photo | Zihao Wang | CC BY 4.0 | iNaturalist |
| Slaty Finch | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Slaty Flowerpiercer | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #102595201 |
| Slaty Flowerpiercer | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Slaty Spinetail | Photo | Leon Burda | Enhanced licence | Adobe Stock #2016515185 |
| Slaty Spinetail | Sound | Thibaud Aronson | CC BY-SA 4.0 | iNaturalist |
| Slaty-backed Forest-Falcon | Photo | NINA WENÓLI | CC0 1.0 | iNaturalist |
| Slaty-backed Forest-Falcon | Sound | Anthony Batista | CC BY 4.0 | iNaturalist |
| Slaty-backed Nightingale-Thrush | Photo | Newt Wheeler | CC BY 4.0 | iNaturalist |
| Slaty-backed Nightingale-Thrush | Sound | Noland Martin | CC BY 4.0 | iNaturalist |
| Slaty-breasted Tinamou | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Slaty-capped Flycatcher | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Slaty-capped Flycatcher | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Slaty-tailed Trogon | Photo | Christopher | Enhanced licence | Adobe Stock #1420497712 |
| Slaty-tailed Trogon | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Smoky-brown Woodpecker | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Smooth-billed Ani | Photo | Chris | Enhanced licence | Adobe Stock #313715403 |
| Smooth-billed Ani | Sound | mitidi | CC0 1.0 | iNaturalist |
| Snail Kite | Photo | Leon Burda | Enhanced licence | Adobe Stock #1328326517 |
| Snail Kite | Sound | Arthur | CC BY 4.0 | iNaturalist |
| Snowcap | Photo | Lukas Gogh | Enhanced licence | Adobe Stock #1493010032 |
| Snowcap | Photo | erik | Enhanced licence | Adobe Stock #192853159 |
| Snowy Cotinga | Photo | Adobe Stock #593992148 | Enhanced licence | Adobe Stock #593992148 |
| Snowy Egret | Photo | Steve Cukrov | Enhanced licence | Adobe Stock #1329457113 |
| Snowy Egret | Sound | buggybuddy | CC0 1.0 | iNaturalist |
| Snowy Plover | Photo | Garth Harwood | CC BY 4.0 | iNaturalist |
| Snowy Plover | Sound | bobnieman | CC BY 4.0 | iNaturalist |
| Snowy-bellied Hummingbird | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Social Flycatcher | Photo | fede2cr | CC BY 4.0 | iNaturalist |
| Social Flycatcher | Sound | llreletll | CC0 1.0 | iNaturalist |
| Solitary Eagle | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Solitary Eagle | Sound | Thibaud Aronson | CC BY-SA 4.0 | iNaturalist |
| Solitary Sandpiper | Photo | avocat | CC BY 4.0 | iNaturalist |
| Solitary Sandpiper | Sound | Caleb Catto | CC BY 4.0 | iNaturalist |
| Song Wren | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Song Wren | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Sooty Shearwater | Photo | Erni | Standard licence | Shutterstock #2498988305 |
| Sooty Shearwater | Sound | benjamin51552 | CC0 1.0 | iNaturalist |
| Sooty Tern | Photo | Marc | Enhanced licence | Adobe Stock #2182265023 |
| Sooty Tern | Sound | damienxw | CC0 1.0 | iNaturalist |
| Sooty Thrush | Photo | Adobe Stock #386922365 | Enhanced licence | Adobe Stock #386922365 |
| Sooty Thrush | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Sooty-capped Chlorospingus | Photo | Carlos | Enhanced licence | Adobe Stock #1116828613 |
| Sooty-capped Chlorospingus | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Sooty-faced Finch | Photo | Adobe Stock #662253531 | Enhanced licence | Adobe Stock #662253531 |
| Sooty-faced Finch | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Sora | Photo | Dario Taraborelli | CC0 1.0 | iNaturalist |
| Sora | Sound | Sean Frey | CC BY 4.0 | iNaturalist |
| South Polar Skua | Photo | Ryan Watson | CC BY 4.0 | iNaturalist |
| South Polar Skua | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Southern Beardless-Tyrannulet | Photo | Federico Muñoz | CC0 1.0 | iNaturalist |
| Southern Beardless-Tyrannulet | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Southern House Wren | Photo | Andrew Hrycyna | CC BY 4.0 | iNaturalist |
| Southern House Wren | Sound | Rob Foster | CC BY 4.0 | iNaturalist |
| Southern Lapwing | Photo | SBOR Naturfotografie | Enhanced licence | Adobe Stock #2083424455 |
| Southern Lapwing | Sound | Camilo Segura | CC BY 4.0 | iNaturalist |
| Southern Martin | Photo | Gonzalo González Mora | CC BY 4.0 | iNaturalist |
| Southern Martin | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Southern Rough-winged Swallow | Photo | Pål A. Olsvik | CC BY 4.0 | iNaturalist |
| Southern Rough-winged Swallow | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Spangle-cheeked Tanager | Photo | Tyler | Enhanced licence | Adobe Stock #1085763332 |
| Speckled Mourner | Photo | Anthony Batista | CC BY 4.0 | iNaturalist |
| Speckled Mourner | Sound | Oliver Komar | CC BY-SA 4.0 | Wikimedia Commons |
| Speckled Tanager | Photo | sprcrkwild | CC BY 4.0 | iNaturalist |
| Spectacled Owl | Photo | Laurel Meredyk | CC BY 4.0 | iNaturalist |
| Spectacled Owl | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Spectacled Petrel | Photo | Nicolas Olejnik | CC BY 4.0 | iNaturalist |
| Spot-bellied Bobwhite | Photo | David J. Stang | CC BY-SA 4.0 | Wikimedia Commons |
| Spot-bellied Bobwhite | Sound | Oliver Komar | CC BY-SA 4.0 | Wikimedia Commons |
| Spot-breasted Oriole | Photo | Adobe Stock #877189122 | Enhanced licence | Adobe Stock #877189122 |
| Spot-breasted Oriole | Sound | buggybuddy | CC0 1.0 | iNaturalist |
| Spot-breasted Wren | Photo | Andre Knocklein | CC BY 4.0 | iNaturalist |
| Spot-breasted Wren | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Spot-crowned Antvireo | Photo | Melissa McMasters | CC BY 4.0 | iNaturalist |
| Spot-crowned Antvireo | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Spot-crowned Euphonia | Photo | Andres Espinoza | Enhanced licence | Adobe Stock #2221661807 |
| Spot-crowned Woodcreeper | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Spot-crowned Woodcreeper | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Spot-fronted Swift | Photo | STEVEN PEREZ | CC BY 4.0 | iNaturalist |
| Spotted Antbird | Photo | Adobe Stock #2483476075 | Enhanced licence | Adobe Stock #2483476075 |
| Spotted Antbird | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Spotted Antbird | Sound | Eric Schmidt | CC BY 4.0 | iNaturalist |
| Spotted Barbtail | Photo | Roger Rittmaster | CC BY 4.0 | iNaturalist |
| Spotted Barbtail | Sound | Thibaud Aronson | CC BY-SA 4.0 | iNaturalist |
| Spotted Rail | Photo | Adobe Stock #495816037 | Enhanced licence | Adobe Stock #495816037 |
| Spotted Rail | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Spotted Sandpiper | Photo | Reiner Jakubowski | CC BY-SA 4.0 | iNaturalist |
| Spotted Sandpiper | Sound | Whitney Brook Matson | CC BY 4.0 | iNaturalist |
| Spotted Wood-Quail | Photo | ondrejprosicky | Enhanced licence | Adobe Stock #1442092400 |
| Spotted Wood-Quail | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Spotted Woodcreeper | Photo | Andrew Holle | CC BY 4.0 | iNaturalist |
| Spotted Woodcreeper | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Squirrel Cuckoo | Photo | Adobe Stock #2267424933 | Enhanced licence | Adobe Stock #2267424933 |
| Stilt Sandpiper | Photo | avocat | CC BY 4.0 | iNaturalist |
| Stilt Sandpiper | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Streak-backed Oriole | Photo | Teresa | Enhanced licence | Adobe Stock #2182954298 |
| Streak-backed Oriole | Sound | Mike Ostrowski | CC BY-SA 4.0 | iNaturalist |
| Streak-breasted Treehunter | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Streak-breasted Treehunter | Sound | anasacuta | CC BY 4.0 | iNaturalist |
| Streak-chested Antpitta | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Streak-chested Antpitta | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Streak-crowned Antvireo | Photo | avocat | CC BY 4.0 | iNaturalist |
| Streak-crowned Antvireo | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Streak-headed Woodcreeper | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Streak-headed Woodcreeper | Sound | GERMAN LEONEL SARMIENTO CRUZ | CC BY 4.0 | iNaturalist |
| Streaked Flycatcher | Photo | Robin White | CC BY 4.0 | iNaturalist |
| Streaked Flycatcher | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Streaked Saltator | Photo | Sam Kieschnick | CC BY 4.0 | iNaturalist |
| Streaked Saltator | Sound | Esteban Villa Restrepo | CC BY-SA 4.0 | iNaturalist |
| Streaked Xenops | Photo | Andrew Holle | CC BY 4.0 | iNaturalist |
| Streaked Xenops | Sound | fmiudo | CC0 1.0 | iNaturalist |
| Striated Heron | Photo | Wilfredor | CC0 1.0 | Wikimedia Commons |
| Striated Heron | Sound | Yeo SB | CC BY-SA 4.0 | Wikimedia Commons |
| Stripe-breasted Wren | Photo | tomjunek.com | Enhanced licence | Adobe Stock #2192032299 |
| Stripe-breasted Wren | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Stripe-headed Sparrow | Photo | Irene | CC0 1.0 | iNaturalist |
| Stripe-headed Sparrow | Sound | David Umanzor | CC BY 4.0 | iNaturalist |
| Stripe-tailed Hummingbird | Photo | Herlinde | Enhanced licence | Adobe Stock #1266902991 |
| Stripe-throated Hermit | Photo | Danita Delimont | Enhanced licence | Adobe Stock #1198365780 |
| Stripe-throated Hermit | Sound | River Ahlquist | CC BY 4.0 | iNaturalist |
| Striped Cuckoo | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Striped Cuckoo | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Striped Owl | Photo | Adobe Stock #791884316 | Enhanced licence | Adobe Stock #791884316 |
| Striped Owl | Sound | pablohcapovilla | CC BY 4.0 | iNaturalist |
| Strong-billed Woodcreeper | Photo | Cullen Hanks | CC BY 4.0 | iNaturalist |
| Strong-billed Woodcreeper | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Stub-tailed Spadebill | Photo | Blake Ross | CC BY 4.0 | iNaturalist |
| Stub-tailed Spadebill | Sound | Ben Costamagna | CC BY 4.0 | iNaturalist |
| Sulphur-bellied Flycatcher | Photo | Kevin Wells Photography | Standard licence | Shutterstock #1144774034 |
| Sulphur-bellied Flycatcher | Sound | david_hurtado | CC0 1.0 | iNaturalist |
| Sulphur-rumped Flycatcher | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Sulphur-rumped Flycatcher | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Sulphur-rumped Tanager | Photo | Adobe Stock #402307922 | Enhanced licence | Adobe Stock #402307922 |
| Sulphur-winged Parakeet | Photo | Adobe Stock #833068308 | Enhanced licence | Adobe Stock #833068308 |
| Summer Tanager | Photo | Thorsten Spoerlein | Enhanced licence | Adobe Stock #2072466880 |
| Summer Tanager | Sound | dylancamachoguzman10 | CC0 1.0 | iNaturalist |
| Sunbittern | Photo | Sonja Jordan/imageBROKER | Enhanced licence | Adobe Stock #1229087367 |
| Sunbittern | Photo | Adobe Stock #64578794 | Enhanced licence | Adobe Stock #64578794 |
| Sunbittern | Sound | Jennifer Rycenga | CC BY 4.0 | iNaturalist |
| Sungrebe | Photo | Matyas Rehak | Enhanced licence | Adobe Stock #226013940 |
| Surfbird | Photo | J Straka | CC BY 4.0 | iNaturalist |
| Swainson's Hawk | Photo | Toby Rowland | CC BY 4.0 | iNaturalist |
| Swainson's Hawk | Sound | elinpierce | CC0 1.0 | iNaturalist |
| Swainson's Thrush | Photo | Michelle Monge-Velazquez | CC BY 4.0 | iNaturalist |
| Swainson's Thrush | Sound | Shawn Taylor | CC BY 4.0 | iNaturalist |
| Swallow-tailed Gull | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Swallow-tailed Kite | Photo | SunflowerMomma | Standard licence | Shutterstock #1944118213 |
| Swallow-tailed Kite | Sound | exploreremmanuel | CC0 1.0 | iNaturalist |
| Tahiti Petrel | Photo | feathercollector | Standard licence | Shutterstock #347202614 |
| Talamanca Hummingbird | Photo | cratervalley | Enhanced licence | Adobe Stock #215254339 |
| Talamanca Hummingbird | Photo | Adobe Stock #974095395 | Enhanced licence | Adobe Stock #974095395 |
| Talamanca Hummingbird | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Talari Mountain Lodge | Photo | Talari Mountain Lodge | Lodge photo | The lodge |
| Tango Mar Resort | Photo | Tango Mar Resort | Lodge photo | The lodge |
| Tapirus Lodge | Photo | Tapirus Lodge | Lodge photo | The lodge |
| Tapirus Lodge | Photo | Tapirus Lodge | Lodge photo | The lodge |
| Tawny-capped Euphonia | Photo | Caleb | Enhanced licence | Adobe Stock #2226445425 |
| Tawny-chested Flycatcher | Photo | Çağan Şekercioğlu | Enhanced licence | Adobe Stock #1856403728 |
| Tawny-crested Tanager | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Tawny-crested Tanager | Sound | Fundacion ProAves | CC BY-SA 4.0 | iNaturalist |
| Tawny-faced Gnatwren | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Tawny-faced Gnatwren | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Tawny-faced Quail | Photo | Marcia Morris | CC BY 4.0 | iNaturalist |
| Tawny-faced Quail | Sound | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Tawny-winged Woodcreeper | Photo | Dean Hester | CC BY 4.0 | iNaturalist |
| Tawny-winged Woodcreeper | Sound | Blake Ross | CC BY 4.0 | iNaturalist |
| Tennessee Warbler | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Tennessee Warbler | Sound | Donald Davesne | CC BY 4.0 | iNaturalist |
| Thick-billed Euphonia | Photo | Laurel Meredyk | CC BY 4.0 | iNaturalist |
| Thick-billed Euphonia | Sound | Francis Pérez | CC BY 4.0 | iNaturalist |
| Thick-billed Seed-Finch | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Thick-billed Seed-Finch | Sound | keesgroenendijk | CC BY 4.0 | iNaturalist |
| Thicket Antpitta | Photo | James M. Maley | CC BY 4.0 | iNaturalist |
| Thicket Antpitta | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Thicket Tinamou | Photo | Juan Cruzado Cortés | CC BY 4.0 | iNaturalist |
| Thicket Tinamou | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Three-wattled Bellbird | Photo | Adobe Stock #829442584 | Enhanced licence | Adobe Stock #829442584 |
| Three-wattled Bellbird | Sound | alicia penney | CC BY 4.0 | iNaturalist |
| Timberline Wren | Photo | Çağan Şekercioğlu | Enhanced licence | Adobe Stock #1856403594 |
| Timberline Wren | Photo | Don Faulkner | CC BY-SA 2.0 | Wikimedia Commons |
| Timberline Wren | Sound | stevestevens | CC0 1.0 | iNaturalist |
| Tiny Hawk | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Tirimbina | Photo | Tirimbina | Lodge photo | The lodge |
| Tiskita Jungle Lodge | Photo | Tiskita Jungle Lodge | Lodge photo | The lodge |
| Tody Motmot | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Tody Motmot | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Torrent Tyrannulet | Photo | Daniel Benák | CC BY 4.0 | iNaturalist |
| Torrent Tyrannulet | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Townsend's Warbler | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Townsend's Warbler | Sound | Syd Cannings | CC BY 4.0 | iNaturalist |
| Trapp Family Lodge | Photo | Trapp Family Lodge | Lodge photo | The lodge |
| Tree Swallow | Photo | Carter Dorscht | CC0 1.0 | iNaturalist |
| Tree Swallow | Sound | Mason Holum | CC BY 4.0 | iNaturalist |
| Tricolored Heron | Photo | Wirestock Creators | Standard licence | Shutterstock #2680560665 |
| Tricolored Heron | Sound | Guy Babineau | CC BY 4.0 | iNaturalist |
| Tricolored Munia | Photo | Surabhi Srivastava | CC BY 4.0 | iNaturalist |
| Trogon Lodge | Photo | Trogon Lodge | Lodge photo | The lodge |
| Trogon Lodge | Photo | Trogon Lodge | Lodge photo | The lodge |
| Tropical Kingbird | Photo | Blake Ross | CC BY 4.0 | iNaturalist |
| Tropical Kingbird | Sound | Rodolfo Salinas Villarreal | CC BY 4.0 | iNaturalist |
| Tropical Mockingbird | Photo | Alessandro Franchini | CC BY 4.0 | iNaturalist |
| Tropical Mockingbird | Sound | Grupo Phoenix | CC BY-SA 4.0 | iNaturalist |
| Tropical Parula | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Tropical Parula | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Tropical Royal Flycatcher | Photo | Adobe Stock #827216257 | Enhanced licence | Adobe Stock #827216257 |
| Tropical Royal Flycatcher | Sound | Eduardo Chacón Madrigal | CC BY 4.0 | iNaturalist |
| Tropical Screech-Owl | Photo | Patricio Murphy | Enhanced licence | Adobe Stock #222524299 |
| Tropical Screech-Owl | Sound | Arthur de Jesús Chavarría Pérez | CC BY 4.0 | iNaturalist |
| Tufted Flycatcher | Photo | SimonJohannes | Enhanced licence | Adobe Stock #1964763090 |
| Tufted Flycatcher | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Turkey Vulture | Photo | Arkadij Schell | Standard licence | Shutterstock #2811328449 |
| Turkey Vulture | Sound | C Colangelo | CC BY 4.0 | iNaturalist |
| Turquoise Cotinga | Photo | Anthony Mora Aguilar | CC BY 4.0 | iNaturalist |
| Turquoise-browed Motmot | Photo | fluffandshutter | Enhanced licence | Adobe Stock #107069856 |
| Turquoise-browed Motmot | Photo | Adobe Stock #720254809 | Enhanced licence | Adobe Stock #720254809 |
| Turquoise-browed Motmot | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Turquoise-browed Motmot | Photo | Wirestock Creators | Standard licence | Shutterstock #2389579015 |
| Turquoise-browed Motmot | Sound | Justin | CC BY 4.0 | iNaturalist |
| Turrialba Volcano over the Pacuare valley | Photo | Silvio Boyat | Enhanced licence | Adobe Stock #332122723 |
| Uniform Crake | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Uniform Crake | Sound | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Unspotted Saw-whet Owl | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Unspotted Saw-whet Owl | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| Upland Sandpiper | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Upland Sandpiper | Photo | Jacob Saucier | CC BY 4.0 | iNaturalist |
| Upland Sandpiper | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| Variable Seedeater | Photo | datadan | CC BY 4.0 | iNaturalist |
| Variable Seedeater | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Vaux's Swift | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Vaux's Swift | Sound | Justin | CC BY 4.0 | iNaturalist |
| Veery | Photo | Blake Ross | CC BY 4.0 | iNaturalist |
| Veery | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Velvety Manakin | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Velvety Manakin | Sound | Eric Knight | CC BY 4.0 | iNaturalist |
| Veraguan Mango | Photo | Slunky | CC BY 4.0 | iNaturalist |
| Vermilion Flycatcher | Photo | Jared Shorma | CC BY 4.0 | iNaturalist |
| Vermilion Flycatcher | Sound | Esteban Villa Restrepo | CC BY-SA 4.0 | iNaturalist |
| Villa Blanca Cloud Forest Hotel | Photo | Villa Blanca Cloud Forest Hotel | Lodge photo | The lodge |
| Violaceous Quail-Dove | Photo | NINA WENÓLI | CC0 1.0 | iNaturalist |
| Violet Sabrewing | Photo | Kevin | Enhanced licence | Adobe Stock #255648065 |
| Violet Sabrewing | Photo | Adobe Stock #98278440 | Enhanced licence | Adobe Stock #98278440 |
| Violet Sabrewing | Sound | Denilson Eliu Ordoñez Moreno | CC BY 4.0 | iNaturalist |
| Violet-green Swallow | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Violet-green Swallow | Sound | Tim Messick | CC BY 4.0 | iNaturalist |
| Violet-headed Hummingbird | Photo | Adobe Stock #484205054 | Enhanced licence | Adobe Stock #484205054 |
| Volcano Hummingbird | Photo | Adobe Stock #2571427489 | Enhanced licence | Adobe Stock #2571427489 |
| Volcano Hummingbird | Photo | Artush | Standard licence | Shutterstock #2705534877 |
| Volcano Junco | Photo | Adobe Stock #386987563 | Enhanced licence | Adobe Stock #386987563 |
| Wandering Tattler | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| Wandering Tattler | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| Wattled Jacana | Photo | Esteban Poveda | CC BY 4.0 | iNaturalist |
| Wattled Jacana | Photo | Anthony Batista | CC BY 4.0 | iNaturalist |
| Wattled Jacana | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| Waved Albatross | Photo | David F. Belmonte | CC BY 4.0 | iNaturalist |
| Wedge-billed Woodcreeper | Photo | Andrew Holle | CC BY 4.0 | iNaturalist |
| Wedge-billed Woodcreeper | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Wedge-rumped Storm-Petrel | Photo | Tristan Jobin | CC BY 4.0 | iNaturalist |
| Wedge-tailed Grass-Finch | Photo | Theo Rickert | CC BY 4.0 | iNaturalist |
| Wedge-tailed Grass-Finch | Sound | Laura Veronica Bianchi | CC BY-SA 4.0 | iNaturalist |
| Wedge-tailed Shearwater | Photo | Damien Wallace | CC0 1.0 | iNaturalist |
| Wedge-tailed Shearwater | Sound | Ben Dymond | CC BY 4.0 | iNaturalist |
| Western Cattle-Egret | Photo | Jeremy Richards | Standard licence | Shutterstock #2829383789 |
| Western Cattle-Egret | Sound | Jono | CC BY 4.0 | iNaturalist |
| Western Gull | Photo | Laura Gaudette | CC BY 4.0 | iNaturalist |
| Western Gull | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| Western Gull | Sound | Bill Levine | CC BY 4.0 | iNaturalist |
| Western Kingbird | Photo | Vijay Barve | CC0 1.0 | iNaturalist |
| Western Kingbird | Sound | Andrew Meeds | CC BY 4.0 | iNaturalist |
| Western Sandpiper | Photo | Kat B | CC BY 4.0 | iNaturalist |
| Western Sandpiper | Sound | Bill Levine | CC BY 4.0 | iNaturalist |
| Western Tanager | Photo | Ray Fisher | CC BY 4.0 | iNaturalist |
| Western Tanager | Sound | Corvi Zeman | CC BY 4.0 | iNaturalist |
| Western Wood-Pewee | Photo | vagabond54 | Standard licence | Shutterstock #1126837151 |
| Western Wood-Pewee | Sound | Sean Frey | CC BY 4.0 | iNaturalist |
| Western Woodhaunter | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Western Woodhaunter | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Whistling Heron | Photo | Natalia S. Martino | CC0 1.0 | iNaturalist |
| Whistling Heron | Sound | Miguel A. Paixão | CC BY 4.0 | iNaturalist |
| White Hawk | Photo | Esteban Dupinet | Enhanced licence | Adobe Stock #2006046194 |
| White Hawk | Sound | Alessandro Franchini | CC BY 4.0 | iNaturalist |
| White Ibis | Photo | Mehis | Enhanced licence | Adobe Stock #2169482566 |
| White Ibis | Sound | Fyn Kynd | CC BY-SA 4.0 | iNaturalist |
| White-bellied Emerald | Photo | avocat | CC BY 4.0 | iNaturalist |
| White-bellied Mountain-gem | Photo | Andy Wilson | CC0 1.0 | iNaturalist |
| White-breasted Wood-Wren | Photo | David | Enhanced licence | Adobe Stock #315324986 |
| White-breasted Wood-Wren | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| White-browed Gnatcather | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| White-browed Gnatcather | Sound | er-birds | CC BY 4.0 | iNaturalist |
| White-cheeked Pintail | Photo | Christoph Moning | CC BY 4.0 | iNaturalist |
| White-chinned Swift | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| White-collared Manakin | Photo | Patrick Jackson | CC BY 4.0 | iNaturalist |
| White-collared Manakin | Sound | Amber M. King | CC BY 4.0 | iNaturalist |
| White-collared Swift | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| White-collared Swift | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| White-crested Coquette | Photo | Andres Espinoza | Enhanced licence | Adobe Stock #2221661823 |
| White-crowned Manakin | Photo | Dan Riley | CC BY 4.0 | iNaturalist |
| White-crowned Manakin | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| White-crowned Parrot | Photo | Malo Ramírez | CC0 1.0 | iNaturalist |
| White-crowned Parrot | Sound | Arturo Benavides-Mendoza | CC BY 4.0 | iNaturalist |
| White-crowned Pigeon | Photo | Robin White | CC BY 4.0 | iNaturalist |
| White-crowned Pigeon | Sound | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| White-crowned Sparrow | Photo | Andy Wilson | CC0 1.0 | iNaturalist |
| White-crowned Sparrow | Sound | rudyard | CC0 1.0 | iNaturalist |
| White-eared Ground-Sparrow | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| White-eyed Vireo | Photo | John Rosford | CC BY 4.0 | iNaturalist |
| White-eyed Vireo | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| White-faced Ibis | Photo | vagabond54 | Standard licence | Shutterstock #2673785351 |
| White-faced Ibis | Sound | Tser | CC BY 4.0 | iNaturalist |
| White-faced Storm-Petrel | Photo | Mirko Schoenitz | CC0 1.0 | iNaturalist |
| White-faced Whistling-Duck | Photo | Jody Shugart | CC BY 4.0 | iNaturalist |
| White-faced Whistling-Duck | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| White-flanked Antwren | Photo | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| White-flanked Antwren | Sound | Rajan Rao | CC BY 4.0 | iNaturalist |
| White-fronted Amazon | Photo | avocat | CC BY 4.0 | iNaturalist |
| White-fronted Amazon | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| White-fronted Nunbird | Photo | Emily Franzen | CC BY 4.0 | iNaturalist |
| White-fronted Tyrannulet | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-fronted Tyrannulet | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-lined Tanager | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| White-lined Tanager | Sound | Henrry | CC BY 4.0 | iNaturalist |
| White-lored Gnatcatcher | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| White-lored Gnatcatcher | Sound | Oliver Komar | CC BY-SA 4.0 | Wikimedia Commons |
| White-naped Brushfinch | Photo | Melissa McMasters | CC BY 4.0 | iNaturalist |
| White-naped Brushfinch | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| White-necked Jacobin | Photo | Adobe Stock #485729016 | Enhanced licence | Adobe Stock #485729016 |
| White-necked Jacobin | Photo | Dennis W Donohue | Standard licence | Shutterstock #2811825515 |
| White-necked Jacobin | Sound | Guillaume Delaitre | CC BY 4.0 | iNaturalist |
| White-necked Puffbird | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-necked Puffbird | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| White-ringed Flycatcher | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| White-ringed Flycatcher | Sound | Guillaume Delaitre | CC BY 4.0 | iNaturalist |
| White-ruffed Manakin | Photo | Tyler | Enhanced licence | Adobe Stock #1297446037 |
| White-rumped Sandpiper | Photo | Luciano Massa | CC BY 4.0 | iNaturalist |
| White-rumped Sandpiper | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-shouldered Tanager | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| White-shouldered Tanager | Sound | GERMAN LEONEL SARMIENTO CRUZ | CC BY 4.0 | iNaturalist |
| White-tailed Emerald | Photo | Ji | Enhanced licence | Adobe Stock #1242873522 |
| White-tailed Hawk | Photo | Adobe Stock #627103976 | Enhanced licence | Adobe Stock #627103976 |
| White-tailed Kite | Photo | Adobe Stock #546439201 | Enhanced licence | Adobe Stock #546439201 |
| White-tailed Kite | Sound | Linzy L. | CC BY-SA 4.0 | iNaturalist |
| White-tailed Nightjar | Photo | William Stephens | CC BY 4.0 | iNaturalist |
| White-tailed Tropicbird | Photo | steve b | CC0 1.0 | iNaturalist |
| White-throated Crake | Photo | WitR | Enhanced licence | Adobe Stock #1306245596 |
| White-throated Crake | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| White-throated Flycatcher | Photo | Chrissy McClarren and Andy Reago | CC0 1.0 | iNaturalist |
| White-throated Magpie-Jay | Photo | Adobe Stock #2653452899 | Enhanced licence | Adobe Stock #2653452899 |
| White-throated Magpie-Jay | Photo | Adobe Stock #728299598 | Enhanced licence | Adobe Stock #728299598 |
| White-throated Magpie-Jay | Photo | Dan Fitzgerald (Fitz) | CC0 1.0 | iNaturalist |
| White-throated Mountain-gem | Photo | Adobe Stock #523383394 | Enhanced licence | Adobe Stock #523383394 |
| White-throated Mountain-gem | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-throated Shrike-Tanager | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| White-throated Shrike-Tanager | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-throated Spadebill | Photo | Alina Martin | CC BY 4.0 | iNaturalist |
| White-throated Spadebill | Sound | Rodrigo Paiva Lázaro | CC BY 4.0 | iNaturalist |
| White-throated Thrush | Photo | Harold Stiver | Enhanced licence | Adobe Stock #2117534279 |
| White-throated Thrush | Sound | Tommy Andriollo | CC BY 4.0 | iNaturalist |
| White-tipped Dove | Photo | Kerry Hargrove | Enhanced licence | Adobe Stock #252134250 |
| White-tipped Dove | Sound | Chrissy Kondrat | CC BY 4.0 | iNaturalist |
| White-tipped Sicklebill | Photo | Tyler | Enhanced licence | Adobe Stock #1297446200 |
| White-tipped Sicklebill | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| White-vented Euphonia | Photo | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-vented Euphonia | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| White-whiskered Puffbird | Photo | Osvaldo | Enhanced licence | Adobe Stock #2179703533 |
| White-whiskered Puffbird | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| White-winged Becard | Photo | er-birds | CC BY 4.0 | iNaturalist |
| White-winged Becard | Sound | Naelin | CC BY 4.0 | iNaturalist |
| White-winged Dove | Photo | Cricket Raspet | CC BY 4.0 | iNaturalist |
| White-winged Dove | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| White-winged Tanager | Photo | Rob Foster | CC BY 4.0 | iNaturalist |
| White-winged Tanager | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Willet | Photo | Don Loarie | CC BY 4.0 | iNaturalist |
| Willet | Sound | Tom Norton | CC BY 4.0 | iNaturalist |
| Willow Flycatcher | Photo | Douglas Douven | CC BY 4.0 | iNaturalist |
| Willow Flycatcher | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Willow Flycatcher | Sound | Quinten Wiegersma | CC BY 4.0 | iNaturalist |
| Wilson's Phalarope | Photo | Russ Namitz | CC0 1.0 | iNaturalist |
| Wilson's Plover | Photo | Roger A. Morales-Flores | CC BY 4.0 | iNaturalist |
| Wilson's Plover | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Wilson's Snipe | Photo | Dario Taraborelli | CC0 1.0 | iNaturalist |
| Wilson's Snipe | Sound | Anders Hastings | CC BY 4.0 | iNaturalist |
| Wilson's Storm-Petrel | Photo | feathercollector | Standard licence | Shutterstock #2395148491 |
| Wilson's Warbler | Photo | avocat | CC BY 4.0 | iNaturalist |
| Wilson's Warbler | Sound | kpmcfarland | CC0 1.0 | iNaturalist |
| Wood Stork | Photo | Wirestock Creators | Standard licence | Shutterstock #2564499355 |
| Wood Stork | Sound | Lyndsey | CC BY 4.0 | iNaturalist |
| Wood Thrush | Photo | Adobe Stock #926485242 | Enhanced licence | Adobe Stock #926485242 |
| Wood Thrush | Sound | Philip K. | CC BY 4.0 | iNaturalist |
| Worm-eating Warbler | Photo | Carrie Seltzer | CC BY 4.0 | iNaturalist |
| Worm-eating Warbler | Sound | annegp | CC0 1.0 | iNaturalist |
| Wrenthrush | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Wrenthrush | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Yellow Tyrannulet | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Yellow Tyrannulet | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Yellow-backed Oriole | Photo | Sebastián de Jesús Herrera Buenfil | CC BY 4.0 | iNaturalist |
| Yellow-backed Oriole | Sound | Andrés Felipe SantoDomingo J. | CC BY 4.0 | iNaturalist |
| Yellow-bellied Elaenia | Photo | Steph Brulot-Sawchyn | CC0 1.0 | iNaturalist |
| Yellow-bellied Elaenia | Sound | Miguel A. Paixão | CC BY 4.0 | iNaturalist |
| Yellow-bellied Flycatcher | Photo | Paul Prior | CC BY 4.0 | iNaturalist |
| Yellow-bellied Flycatcher | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Yellow-bellied Flycatcher | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Yellow-bellied Sapsucker | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Yellow-bellied Sapsucker | Sound | kristinpiston | CC0 1.0 | iNaturalist |
| Yellow-bellied Seedeater | Photo | Tom Field | CC BY 4.0 | iNaturalist |
| Yellow-bellied Seedeater | Sound | GERMAN LEONEL SARMIENTO CRUZ | CC BY 4.0 | iNaturalist |
| Yellow-bellied Siskin | Photo | Ryan F. Mandelbaum | CC BY 4.0 | iNaturalist |
| Yellow-bellied Tyrannulet | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Yellow-billed Cacique | Photo | Ellyne Geurts | CC0 1.0 | iNaturalist |
| Yellow-billed Cacique | Sound | Grete Pasch | CC BY 4.0 | iNaturalist |
| Yellow-billed Cotinga | Photo | Adobe Stock #594008492 | Enhanced licence | Adobe Stock #594008492 |
| Yellow-billed Cuckoo | Photo | Malo Ramírez | CC0 1.0 | iNaturalist |
| Yellow-billed Cuckoo | Sound | cuihenggang | CC0 1.0 | iNaturalist |
| Yellow-billed Tern | Photo | Gonzalo González Mora | CC BY 4.0 | iNaturalist |
| Yellow-billed Tern | Sound | Eduardo Luis Beltrocco | CC BY 4.0 | iNaturalist |
| Yellow-breasted Chat | Photo | Andy Wilson | CC0 1.0 | iNaturalist |
| Yellow-breasted Chat | Sound | B Staffan Lindgren | CC BY 4.0 | iNaturalist |
| Yellow-breasted Crake | Photo | James M. Maley | CC BY 4.0 | iNaturalist |
| Yellow-breasted Crake | Sound | Pablo H Capovilla | CC BY 4.0 | iNaturalist |
| Yellow-crowned Amazon | Photo | Esteban Poveda | CC BY 4.0 | iNaturalist |
| Yellow-crowned Amazon | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| Yellow-crowned Euphonia | Photo | Chris | Enhanced licence | Adobe Stock #277429542 |
| Yellow-crowned Euphonia | Sound | kalvinchan | CC0 1.0 | iNaturalist |
| Yellow-crowned Night Heron | Photo | photogallet | Enhanced licence | Adobe Stock #2235060483 |
| Yellow-crowned Night Heron | Sound | ashleyrsteel | CC BY 4.0 | iNaturalist |
| Yellow-crowned Tyrannulet | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Yellow-crowned Tyrannulet | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Yellow-eared Toucanet | Photo | Adobe Stock #1330010512 | Enhanced licence | Adobe Stock #1330010512 |
| Yellow-eared Toucanet | Photo | Trevor Van Loon | CC BY 4.0 | iNaturalist |
| Yellow-faced Grassquit | Photo | Millie Basden | CC BY 4.0 | iNaturalist |
| Yellow-faced Grassquit | Sound | damienxw | CC0 1.0 | iNaturalist |
| Yellow-green Vireo | Photo | er-birds | CC BY 4.0 | iNaturalist |
| Yellow-green Vireo | Sound | myrmexflora | CC0 1.0 | iNaturalist |
| Yellow-headed Blackbird | Photo | Daughter Dad | CC BY 4.0 | iNaturalist |
| Yellow-headed Blackbird | Sound | Sean Frey | CC BY 4.0 | iNaturalist |
| Yellow-headed Caracara | Photo | Tom Kennedy | CC BY 4.0 | iNaturalist |
| Yellow-headed Caracara | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Yellow-naped Amazon | Photo | Carter Dorscht | CC0 1.0 | iNaturalist |
| Yellow-naped Amazon | Sound | Djibo Zanzot | CC BY-SA 4.0 | iNaturalist |
| Yellow-olive Flatbill | Photo | John Matthew Erickson | CC BY 4.0 | iNaturalist |
| Yellow-olive Flatbill | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Yellow-rumped Warbler | Photo | Jodhan Fine | CC0 1.0 | iNaturalist |
| Yellow-rumped Warbler | Sound | schoenitz | CC0 1.0 | iNaturalist |
| Yellow-tailed Oriole | Photo | Dan Riley | CC BY 4.0 | iNaturalist |
| Yellow-tailed Oriole | Sound | Niels Krabbe | CC BY-SA 4.0 | Wikimedia Commons |
| Yellow-thighed Brushfinch | Photo | Adobe Stock #587093600 | Enhanced licence | Adobe Stock #587093600 |
| Yellow-thighed Brushfinch | Sound | Dan MacNeal | CC BY 4.0 | iNaturalist |
| Yellow-throated Euphonia | Photo | Blake Ross | CC BY 4.0 | iNaturalist |
| Yellow-throated Euphonia | Sound | Arturo Benavides-Mendoza | CC BY 4.0 | iNaturalist |
| Yellow-throated Toucan | Photo | Foto-Jagla.de | Enhanced licence | Adobe Stock #1905539211 |
| Yellow-throated Toucan | Photo | Jim Cumming | Enhanced licence | Adobe Stock #224704717 |
| Yellow-throated Toucan | Photo | Adobe Stock #2449263883 | Enhanced licence | Adobe Stock #2449263883 |
| Yellow-throated Toucan | Sound | manuelvargas | CC0 1.0 | iNaturalist |
| Yellow-throated Vireo | Photo | avocat | CC BY 4.0 | iNaturalist |
| Yellow-throated Vireo | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Yellow-throated Warbler | Photo | Owen Strickland | CC BY 4.0 | iNaturalist |
| Yellow-throated Warbler | Sound | w_mark_c | CC0 1.0 | iNaturalist |
| Yellow-winged Flatbill | Photo | Adam Jackson | CC0 1.0 | iNaturalist |
| Yellow-winged Flatbill | Sound | Zac Peterson | CC BY 4.0 | iNaturalist |
| Yellow-winged Tanager | Photo | Kevin Wells Photography | Standard licence | Shutterstock #1144773476 |
| Yellow-winged Tanager | Sound | Arturo Benavides Mendoza | CC BY 4.0 | iNaturalist |
| Yellow-winged Vireo | Photo | Roger Rittmaster | CC BY 4.0 | iNaturalist |
| Yellow-winged Vireo | Sound | er-birds | CC BY 4.0 | iNaturalist |
| Yellowish Flycatcher | Photo | Siddarth Machado | CC BY 4.0 | iNaturalist |
| Yellowish Flycatcher | Sound | rawcomposition | CC0 1.0 | iNaturalist |
| Zeledon's Antbird | Photo | Forest Botial-Jarvis | CC BY 4.0 | iNaturalist |
| Zone-tailed Hawk | Photo | Richard Littauer | CC BY 4.0 | iNaturalist |
| Zone-tailed Hawk | Sound | Sebastián de Jesús Herrera Buenfil | CC BY 4.0 | iNaturalist |