Herpsilochmus axillaris
Silhouette: Sheatherius · PhyloPic
In 3 days <5% in a week ~10%
The yellow-breasted antwren (Herpsilochmus axillaris) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Colombia, Ecuador, and Peru. The yellow-breasted antwren has these four subspecies:
Adult males of the nominate subspecies H. a. axillaris have a black crown and nape with white spots on the crown and a broken whitish supercilium on an otherwise mottled blackish and yellow-olive face. Their upperparts are olive-gray. Their wings coverts are black with yellow-tinged white edges and tips; their flight feathers are very dark gray. Their tail is mostly dark gray, with white tips and part of the edges of the inner feathers and mostly white outer feathers. Their throat and underparts are mostly pale yellowish olive with a yellow center to the belly. Adult females have a cinnamon-rufous crown, olive-buff upperparts... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Podocarpus National Park | 🇪🇨 Ecuador | |
| 2 | Farallones de Cali National Natural Park | 🇨🇴 Colombia | |
| 3 | Manu National Park | 🇵🇪 Peru |
Rare
Under 5% of wildlife watchers report a Yellow-breasted Antwren sighting in Farallones de Cali National Natural Park on a given day, based on 38 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 350th most-seen of the 542 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Yellow-breasted Antwren in Farallones de Cali National Natural Park on a given day, so our monthly data shows no clear season.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Yellow-breasted Antwren sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 3
Of the 3 parks where we can rate Yellow-breasted Antwren sightings, Farallones de Cali National Natural Park ranks 2nd at under 5%. The best odds are in Podocarpus National Park (Ecuador, about 10%).
Same family: Thamnophilidae
The closest relatives of the Yellow-breasted Antwren that you can see in Farallones de Cali National Natural Park (family Thamnophilidae, Typical Antbirds) are Bar-crested Antshrike (about 20%), Zeledon's Antbird (about 10%) and Plain Antvireo (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yellow-breasted Antwren is recorded against all the birds logged in Farallones de Cali National Natural Park (38 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.
