Bolivian Slaty-Antshrike vs Variable Antshrike
Thamnophilus sticturus versus Thamnophilus caerulescens
Play a quiz with Bolivian Slaty-Antshrike and Variable Antshrike
Bolivian Slaty-Antshrike
Variable Antshrike
In short
The Bolivian Slaty-Antshrike and Variable Antshrike can be distinguished by their plumage and habitat preferences. The Bolivian Slaty-Antshrike is more uniform in color, while the Variable Antshrike shows more variation, especially among its subspecies. Both species are found in forested areas, but the Variable Antshrike often occupies more open situations.
Identification tips
Look for the uniform slaty-grey of the Bolivian Slaty-Antshrike compared to the variable plumage of the Variable Antshrike, especially the black forehead and crown in males. Consider the habitat: Variable Antshrikes are more likely in open forest areas.
Size
Both species are similar in size, typical of small antbirds.
Plumage
The Bolivian Slaty-Antshrike is generally uniform slaty-grey, while the Variable Antshrike males are grey with a black forehead and crown, and females are clay-colored with cinnamon-tawny underparts. The Variable Antshrike shows more plumage variation across its subspecies.
Behaviour
Variable Antshrikes make short hops and frequently change directions while foraging, often stopping to scan for insects and fruit. This behavior is less documented for the Bolivian Slaty-Antshrike.
Habitat
Both species inhabit forested areas, but the Variable Antshrike is often found in more open situations compared to the Bolivian Slaty-Antshrike.
Voice
Vocalizations are not detailed in the sources, so differences are unclear.
Bolivian Slaty-Antshrike · Variable Antshrike · My Tricky Birds