
Family Troglodytidae
Rufous-and-white Wren
Thryophilus rufalbus
In Spanish: Soterré Rufo y Blanco
- Resident
A shy Pacific slope wren whose duet you will hear before you see it.
The Rufous-and-white Wren (Soterré Rufo y Blanco) is a locally common resident of Costa Rica's northern Pacific slope, and it is abundant in the forested mountains of the Nicoya Peninsula.
It is reclusive and far more often heard than seen, so learning the song before you go is the best preparation.
Pairs have shown themselves in surprising places: one crept through brush in a San José hotel garden, and one birding tour in March 2024 had wonderful views on the grounds of a Monteverde-area hotel at the end of a day.
How to find it
Learn the song first, because this wren is far more often heard than seen. Listen in moist forest near Monteverde, in large hotel gardens of the Central Valley, and in dry and moist forest on the Pacific slope. Go out early, since singing and territorial activity are strongest in the morning and taper off later. Near the rooms of a Monteverde-area lodge, a pair came into view more easily when squeaked. Around Carara, try riparian zones and viny forest edges, though views along the Sendero Meandrico were harder.
How to recognise it
Adults are deep rufous above, with a duller brown crown. The face carries the marks that stand out:
- a white eyebrow
- a brown line through the eye
- bold black streaks on the cheeks
The throat and the centre of the underparts are white, while the flanks are grayish brown. The wings and tail are barred black, and the undertail is barred black and white, a useful mark if the bird hops into view for a moment. It is about 14 cm long and weighs about 25 g.
What it sounds like
Behaviour and diet
This is a shy wren that forages in pairs, in low vegetation or on the ground. It hunts mainly in leaf litter on the forest floor, taking insects, spiders and other invertebrates.
The nest is a retort-shaped structure of grass stems and rootlets, or black fungal strands. It sits 2 to 3 m up in a shrub, tree or spiny palm. The female lays 3 to 4 unmarked blue-green eggs.
Where it lives
In Costa Rica it ranges from sea level up to about 1100 m. It is a resident of the northern Pacific slope, including at least the west side of the Central Valley, and it is abundant in the forested mountains of the Nicoya Peninsula. Farther south it becomes patchy, known mainly from the lower Térraba river basin.
It lives in moist forest, in streamside strips within dry forest, and in shade coffee. In the dry forest of Santa Rosa it uses the older, more humid, evergreen patches rather than the whole forest.
When to see it
Breeding in Costa Rica runs from April to August. In the dry forest of Santa Rosa, pairs build nests several weeks before the rains, and egg laying starts after the first big rain, typically early May.
Similar birds
Compared with Cabanis's Wren, it has brighter upperparts, more prominent streaking on the cheeks and a barred undertail. Compared with the Banded Wren, its sides and flanks are dingy and unmarked. Around Carara, Rufous-breasted Wren sings in the same riparian zones and viny edges, and the two compete in song, so check which voice you are hearing.
Names and lore in Costa Rica
Costa Ricans call it Soterrey Rufo y Blanco. Elsewhere it is chivirín rojizo in Mexico, cucarachero cantor in Colombia and sotorrey rufiblanco in Panama.
Status and conservation
The AOCR official list gives it resident status (R) in Costa Rica, and IUCN rates the species Least Concern.
Photography tips
Most singing and territorial activity in the Santa Rosa dry forest happens early in the morning and tapers off later, so go out early. A gentle squeak helped bring a pair into view near Monteverde.
How we know this 20 sources, each read on the date shown
- Flickr post quoting Costa Rican natural history text read 2026-11-04
https://www.flickr.com/photos/jobando/35007910091 - EcoRegistros read 2026-11-04
https://www.ecoregistros.org/ficha/Thryophilus-rufalbus - Birding Field Guides read 2026-11-04
http://birdingfieldguides.com/wp/beautiful-bird-songs-of-costa-rica-the-rufous-and-white-wren/ - BirdWeather (Wikipedia text) read 2026-11-04
https://app.birdweather.com/species/rufous-and-white-wren - Dan Mennill's Bird Songs of Costa Rica (Univ. of Windsor) read 2026-11-04
https://web2.uwindsor.ca/courses/biology/dmennill/CostaRica/RWWR/CRRWWR.html - AOCR Lista Oficial read 2026-11-04
https://listaoficialavesdecostarica.wordpress.com/lista-oficial/lista-oficial-online/ - BirdForum Opus read 2026-11-04
https://www.birdforum.net/opus/Rufous-and-white_Wren - Field Guides Birding Tours (Summer Costa Rica 2023 trip list) read 2026-11-04
https://fieldguides.com/triplists/cos23b.html - Área de Conservación Guanacaste (SINAC) read 2026-11-04
https://www.acguanacaste.ac.cr/noticias/noticias-programa-de-investigacion/4194-las-altas-temperaturas-durante-la-estacion-seca-reducen-la-supervivencia-de-un-pajaro-tropical-residente - Birding Craft read 2026-11-04
https://birdingcraft.com/wordpress/2024/06/07/costa-rica-birding-a-whole-lot-of-wrens-going-on/ - Field Guides Birding Tours (Costa Rica 2024 trip list) read 2026-11-04
https://fieldguides.com/triplists/cos24.html - Wikipedia (Spanish) read 2026-11-04
https://es.wikipedia.org/wiki/Thryophilus_rufalbus - Avibase read 2026-11-04
https://avibase.bsc-eoc.org/species.jsp?avibaseid=0A9020EB4E2424FE - Proceedings of the Royal Society B read 2026-11-04
https://royalsocietypublishing.org/rspb/article/285/1878/20180176/78985/Hot-temperatures-during-the-dry-season-reduce - Proc. R. Soc. B via PMC read 2026-11-04
https://pmc.ncbi.nlm.nih.gov/articles/PMC5966594/ - World Bird Photos read 2026-11-04
https://www.worldbirdphotos.com/photo/wren-rufous-white-thryophilus-rufalbus-costa-rica/ - Phys.org read 2026-11-04
https://phys.org/news/2018-05-hot-temperatures-swan-song-tropical.html - Aves y Ventanas Costa Rica read 2026-11-04
https://avesyventanascostarica.wordpress.com/algunas-aves-que-han-golpeado-contra-ventanas-en-costa-rica/ - Behavioral Ecology via PMC read 2026-11-04
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461926/ - Featherscan read 2026-11-04
https://www.featherscan.com/birds/rufous-and-white-wren