Rufous-bellied Antwren
NameRufous-bellied Antwren
Common NameRufous-bellied Antwren
Scientific NameIsleria guttata
FamilyThamnophilidae
Wingspan (cm)14
Length (cm)9.5
Weight (g)8
Plumage DetailsMales have a gray head and underparts, olive-brown back, and a distinct rufous belly. Their wings are blackish with two rows of buff spots. Females are rufous-brown on the head and upperparts, with rufous underparts and similar blackish wings with buff spots.
Vocalization / CallThe vocalization is typically a series of high-pitched, rapid notes, often described as a trill or a fast, accelerating 'tew-tew-tew-tew-tew'.
Primary Dietinsectivore
Primary Habitatsforest
Conservation Statusleast-concern
Geographic RangeEndemic to the Atlantic Forest of southeastern Brazil, primarily found in the states of Bahia, Espírito Santo, Minas Gerais, Rio de Janeiro, and São Paulo.
Identifying FeaturesSmall size, Sexual dimorphism (gray male, rufous female), Rufous belly (more prominent in female), Two rows of buff spots on blackish wings, Found in dense forest understory
Description
The Rufous-bellied Antwren is a small, sexually dimorphic antbird found in the understory of humid Atlantic Forest. Males have gray heads and underparts with a rufous belly, while females are more extensively rufous-brown. They typically forage for insects in dense vegetation.
