About the Narrow-billed Antwren
The narrow-billed antwren is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is endemic to eastern Brazil.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The narrow-billed antwren is 11 to 12 cm (4.3 to 4.7 in) long; one male weighed 8.2 g (0.29 oz). The species is sexually dimorphic and has a longish bill and tail. Adult males are mostly dark gray. Their wings and tail are a darker blackish gray, with white tips on the wing coverts and the outer tail feathers. The center of their throat and breast are black, their flanks white, and their undertail coverts have white bars. Adult females have a pale supercilium and a whitish eye ring. Voice: The narrow-billed antwren's song is a "series of very high, loud 'tiúw' notes (2/sec over 8 sec)". Its calls "include abrupt notes, often in pairs or triplets, and short rattle".
Text from Wikipedia, licensed CC BY-SA 4.0.
Where the Narrow-billed Antwren lives
When to see the Narrow-billed Antwren
Peak activity in October · a variable species across most of its range
Easily confused with
Black-hooded AntwrenFormicivora erythronotosThe black-hooded antwren is 11 cm (4.3 in) long.
Sincora AntwrenFormicivora grantsauiThe Sincora antwren is 12 to 13 cm (4.7 to 5.1 in) long and weighs 8.5 to 11.5 g (0.30 to 0.41 oz).
Serra AntwrenFormicivora serranaAntwrens in the genus Formicivora have comparatively long tails, and the males are unusual in having underparts that are darker than the upperparts.
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