Formicarius nigricapillus
Silhouette: Abraão B. Leite · PhyloPic
In 3 days ~30% in a week ~60%
The black-headed antthrush (Formicarius nigricapillus) is a species of bird in the family Formicariidae. It is found in Colombia, Costa Rica, Ecuador, and Panama. The black-headed antthrush is about 18 cm (7.1 in) long; four individuals weighed 58 to 68 g (2.0 to 2.4 oz). The sexes have the same plumage. Adults of the nominate subspecies have a dark dusky brown to blackish crown. Their face and throat are black with a ring of bluish white bare skin around the eye. Their back, rump, and wings are dark chestnut-brown, their uppertail coverts dark rufescent brown, and their tail black. Their flight feathers have dusky inner edges and a wide cinnamon band at the base. Their upper breast is blackish gray, their belly gray, and their undertail coverts rufous. They have a brown iris, a black bill, and dusky brown legs and feet. Subspecies F. n. destructus has darker and less reddish-tinged upperparts than the nominate.
The black-headed antthrush has a disjunct distribution.... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Utría National Natural Park | 🇨🇴 Colombia | |
| 2 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 4 | Farallones de Cali National Natural Park | 🇨🇴 Colombia | |
| 5 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 6 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica | |
| 7 | La Amistad International Park (Panama) | 🇵🇦 Panama |
With luck
About 10% of wildlife watchers report a Black-headed Antthrush sighting in Utría National Natural Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 92nd most-seen of the 154 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
February
In that month about 30% of wildlife watchers report a Black-headed Antthrush in Utría National Natural Park on a given day, against under 5% in October, the lowest month. That is one of Utría National Natural Park's driest months, with about 270 mm of rain against 710 mm in October. April, June and December have too few records to rate.
Yes
Of the 7 parks where we can rate Black-headed Antthrush sightings, Utría National Natural Park has the highest daily chance: about 10%. Next come Arenal Volcano National Park (Costa Rica, under 5%) and Tapantí-Macizo de la Muerte National Park (Costa Rica, under 5%).
Same order: Passeriformes
The closest relatives of the Black-headed Antthrush that you can see in Utría National Natural Park (order Passeriformes, Perching Birds) are Great-tailed Grackle (about 60%), Chestnut-backed Antbird (about 50%) and Flame-rumped Tanager (about 50%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black-headed Antthrush is recorded against all the birds logged in Utría National Natural Park (11 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
