choquinha-de-flanco-branco vs papa-formiga-de-bando

The White-flanked Antwren is best identified by its habit of nervously flicking its wings to reveal conspicuous white flank patches, while the Dot-winged Antwren shows more subtle plumage differences and is less likely to be found in the interior of primary forests. Both species join mixed-species flocks but differ in their preferred forest strata.

Look for the White-flanked Antwren's wing-flicking behavior revealing white flanks. Note the Dot-winged Antwren's preference for midstory habitats and its less frequent presence in primary forest interiors.

The White-flanked Antwren has conspicuous white patches on its flanks, especially noticeable when it flicks its wings. The Dot-winged Antwren's plumage varies geographically, but it does not have the same distinctive white flank patches.

White-flanked Antwrens often flick their wings, revealing their white flanks, and are more consistently associated with mixed-species flocks. Dot-winged Antwrens also join mixed-species flocks but are just as likely to be observed alone or in pairs.

White-flanked Antwrens inhabit the understory of lowland forests, while Dot-winged Antwrens are found in the midstory of lowland and foothill forests, including tall second growth, and are rarely in the interior of primary forests.