
Family Vireonidae
Ochre-crowned Greenlet
Tunchiornis ochraceiceps
In Spanish: Verdillo Leonado
- Resident
A tiny, pale-eyed greenlet of the forest understory, found by its whistle.
The Ochre-crowned Greenlet (Verdillo Leonado) is a small bird of mature wet forest in Costa Rica, where it is a resident and considered fairly common. It is also easy to miss: birders tend to overlook it unless they know its voice.
It prefers dimly lit undergrowth and rarely leaves it, so most meetings happen when a mixed flock of forest insectivores moves through. Learning the whistle before you arrive is the best preparation.
On the central Pacific side, one birding tour saw it around Carara and Villa Lapas, though the views were never great. That is part of its charm: a bird you earn with patient ears.
How to find it
Check mixed flocks passing through dense forest, where this greenlet joins understory flocks with antbirds, Golden-crowned Warbler and Red-crowned Ant-Tanager. Look for a pair turning over leaves in the understory and midstory. Learn the whistle first, since hearing it is often the first sign. At Carara, a guide on a morning forest walk near headquarters in April listed it among the typical mixed flocks, alongside Lesser Greenlet. In the south Pacific lowlands one was heard but not seen, so be ready for brief or partial views.
How to recognise it
This is a small bird, about 11.5 cm long and 11 g. Look for these marks:
A tawny crown, brightest on the forehead, which gives the species its name.
An obviously pale eye.
An olive back.
Pale grayish underparts, more olive on the breast.
Reddish tail feathers and rufous undertail coverts, which other greenlets lack.
Those last details are easy to miss on a bird that never sits still in shade, so the pale eye and the tawny forehead are often the first things to catch.
What it sounds like
Recording: Tommy Andriollo, CC BY 4.0, source, read 4 Nov 2026.
Behaviour and diet
It is restless and acrobatic, making frequent short flights between trees and sometimes hanging upside down while it gleans insects from leaves. It forages in pairs, turning over foliage and searching the leaves of bushes and saplings. The pairs travel inside mixed flocks, and the group moves so loosely that counting the birds is hard. Its diet is mostly invertebrates, with some fruit.
The nest is a cup of plant fibres partly covered with moss. It sits in a tree fork 2 to 7 m up and is held in place with spider webs, and both parents feed the chicks.
Where it lives
In Costa Rica it lives in mature wet forest and is found up to about 1,300 m (4,300 ft). It keeps to the dim understory of dense forest, not scrub, canopy or edges.
One form covers the Caribbean slope. The subspecies pacificus occurs in the southeast and on the Pacific slope from Carara southward. The species is listed as present in Corcovado National Park, the protective zone of La Selva Biological Station and the Cordillera Volcanica Central forest reserve.
When to see it
It is a year-round resident, so it is not a seasonal visitor. Breeding is reported from March to May, but that tells you little about the best time to visit.
Similar birds
Lesser Greenlet shares the same flocks at Carara. Unlike other greenlets, the Ochre-crowned has reddish tail feathers and rufous undertail coverts. It stays in forest understory, and its whistled song is very simple.
Names and lore in Costa Rica
In Costa Rica the bird is called verdillo leonado, and a variant spelling, ferdillo leonado, is also listed. Spanish names differ by country, for example verdillo corona pálida in Honduras.
Status and conservation
The AOCR lists it as a resident (R), and it is considered fairly common in Costa Rica, though its taxonomy is unsettled and some authorities split it into several species.
How we know this 12 sources, each read on the date shown
- Wikipedia read 2026-11-04
https://en.wikipedia.org/wiki/Tawny-crowned_greenlet - Birds Colombia (Spanish Wikipedia text) read 2026-11-04
https://birdscolombia.com/2020/06/15/verderon-leonado-tawny-crowned-greenlet-tunchiornis-ochraceiceps/ - Birds of the World read 2026-11-04
https://birdsoftheworld.org/bow/species/tacgre2/cur/systematics - World Species read 2026-11-04
https://worldspecies.org/ntaxa/907945 - Spanish Wikipedia read 2026-11-04
https://es.wikipedia.org/wiki/Tunchiornis_ochraceiceps - Cornell Birds of the World read 2026-11-04
https://birdsoftheworld.org/bow/species/tacgre2/cur/introduction - Wikipedia read 2026-11-04
https://en.wikipedia.org/wiki/Hylophilus_ochraceiceps - Field Guides Birding Tours read 2026-11-04
https://fieldguides.com/triplists/cos24.html - Field Guides Birding Tours read 2026-11-04
https://fieldguides.com/triplists/cr119.html - Birding Craft read 2026-11-04
https://birdingcraft.com/wordpress/tag/lesser-greenlet/ - Avibase read 2026-11-04
https://avibase.bsc-eoc.org/species.jsp?avibaseid=70ED17EC8FA0264F - Wikipedia read 2026-11-04
https://en.wikipedia.org/wiki/Tawny-crowned_Greenlet