Variable Antshrike
NameVariable Antshrike
Common NameVariable Antshrike
Scientific NameThamnophilus caerulescens
FamilyThamnophilidae
Wingspan (cm)22.5
Length (cm)15
Weight (g)21
Plumage DetailsPlumage is highly variable, but males often display gray upperparts, a darker or blackish crown, and prominent white wing bars on dark wings. Underparts can range from pale gray to yellowish-buff or cinnamon, especially on the flanks and belly. Females are generally browner with rufous or cinnamon tones.
Vocalization / CallVocalizations include a series of accelerating, often nasal 'hah' notes, which may end in a trill or a more emphatic note. The exact pattern and quality can vary geographically.
Primary Dietinsectivore
Primary Habitatsforest, shrubland
Conservation Statusleast-concern
Geographic RangeWidespread across much of South America, including southeastern Brazil, Paraguay, Uruguay, northern Argentina, Bolivia, Peru, and parts of Ecuador and Colombia. It inhabits a variety of wooded and semi-open habitats.
Identifying FeaturesSignificant plumage variation (sexual dimorphism and subspecies differences), Prominent white wing bars (especially in males), Hooked bill typical of antshrikes, Distinctive accelerating call, Often found in dense undergrowth
Description
The Variable Antshrike is a medium-sized antbird known for its significant plumage variation across its wide range. It typically forages in dense undergrowth and forest edges, often moving deliberately through vegetation in search of insects. Its distinctive calls are a key identification feature in its diverse habitats.
