Herpsilochmus atricapillus
Silhouette: Sheatherius · PhyloPic
In 3 days ~20% in a week ~50%
The black-capped antwren (Herpsilochmus atricapillus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Argentina, Bolivia, Brazil, and Paraguay. The black-capped antwren was described by the Austrian ornithologist August von Pelzeln in 1868 and given its current binomial name Herpsilochmus atricapillus. It and the Bahia antwren (H. pileatus) are sister species. The black-capped antwren is monotypic.
The black-capped antwren is 11 to 12 cm (4.3 to 4.7 in) long and weighs 8 to 11 g (0.28 to 0.39 oz). Adult males have a black crown and nape, a long white to pale gray supercilium, and a black streak through the eye. The rest of their upperparts are gray with white-edged blackish scapulars and a white patch between them. Their wings are black with white tips on the coverts and white edges on the flight feathers. Their tail is black with large white feather tips and white edges on the outermost. Their underparts are mostly gray to pale gray with a white belly. Adult females have a buffish forehead and black and white streaked crown. Their upperparts are gray with an olive tinge... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Amboró National Park | 🇧🇴 Bolivia | |
| 2 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 3 | Emas National Park | 🇧🇷 Brazil | |
| 4 | Chapada Diamantina National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Belo Horizonte | 🇧🇷 Brazil | |
| 2 | João Pessoa | 🇧🇷 Brazil | |
| 3 | Goiânia | 🇧🇷 Brazil | |
| 4 | Fortaleza | 🇧🇷 Brazil | |
| 5 | Maceió | 🇧🇷 Brazil | |
| 6 | Campo Grande | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Black-capped Antwren sighting in Belo Horizonte on a given day, based on 146 verified sightings from GBIF citizen-science data. It is the 62nd most-seen of the 220 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
April–May and August
In those months about 20% of wildlife watchers report a Black-capped Antwren in Belo Horizonte on a given day, against under 5% in March, September and November, the lowest months. Those are among Belo Horizonte's driest months, with about 35 mm of rain a month against 270 mm in December.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Black-capped 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.
Yes
Of the 6 cities where we can rate Black-capped Antwren sightings, Belo Horizonte has the highest daily chance: about 10%. Next come João Pessoa (Brazil, about 10%) and Goiânia (Brazil, under 5%).
Same family: Thamnophilidae
The closest relatives of the Black-capped Antwren that you can see in Belo Horizonte (family Thamnophilidae, Typical Antbirds) are Variable Antshrike (about 10%) and Great Antshrike (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black-capped Antwren is recorded against all the birds logged in Belo Horizonte (146 verified sightings), 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.
