
Chestnut-shouldered Antwren
NameChestnut-shouldered Antwren
Common NameChestnut-shouldered Antwren
Scientific NameEpinecrophylla spodioptila
FamilyThamnophilidae
Wingspan (cm)15
Length (cm)9.5
Weight (g)8
Plumage DetailsMales have a gray head, olive-green upperparts, and a distinctive chestnut patch on the shoulder (scapulars). Underparts are paler, grayish-olive. Females are similar but lack the chestnut shoulder patch and may have a duller gray head. Both sexes exhibit a pale eye-ring.
Vocalization / CallIts vocalization is typically a high-pitched, rapid, accelerating series of notes, often described as a trill or 'tsee-tsee-tsee-tsee-tseet-tseet-tseet'.
Primary Dietinsectivore
Primary Habitatsforest
Conservation Statusleast-concern
Geographic RangeFound in northern South America, primarily within the Amazon basin, including parts of Colombia, Venezuela, Ecuador, Peru, Bolivia, and Brazil.
Identifying FeaturesSmall size, Olive-green body, Gray head, Pale eye-ring, Chestnut shoulder patch (males), Active foraging in forest understory
Description
This tiny antwren is an active insectivore of the Amazonian understory. It typically forages alone or in mixed-species flocks, gleaning small insects and spiders from leaves and twigs in dense vegetation.





