Rusty-backed Antwren
NameRusty-backed Antwren
Common NameRusty-backed Antwren
Scientific NameFormicivora rufa
FamilyThamnophilidae
Wingspan (cm)16.5
Length (cm)12
Weight (g)11
Plumage DetailsMales have a rusty-brown crown and back, a prominent white supercilium, black lores and ear-coverts, and solid black underparts from the throat to the belly. The wings are dark with two rows of white spots forming distinct wing bars. The tail is dark with white barring. Females are similar but have buffy underparts and a less extensive black throat patch.
Vocalization / CallVocalizations include a series of accelerating, high-pitched, rapid notes, often described as a 'tew-tew-tew-tew-tew' or a rapid trill.
Primary Dietinsectivore
Primary Habitatsforest, grassland
Conservation Statusleast-concern
Geographic RangeFound in South America, primarily in central and eastern Brazil, eastern Bolivia, and northeastern Paraguay.
Identifying Featuresrusty-brown back, black underparts (male), prominent white supercilium, spotted wing-bars, barred tail
Description
This small antbird is characterized by its striking plumage, featuring a rusty back and contrasting black underparts in males. It typically forages in the understory and lower canopy of dry forests and scrublands, often in pairs, searching for insects.
