Family Typical Antbirds (Thamnophilidae)

Least Concern

Acre Antshrike (Thamnophilus divisorius)


French: Batara d’Acre German: Divisorameisenwürger Spanish: Batará de Acre

Thamnophilus divisorius

Whitney et al.

, 2004,

Morro Queimado, in Serra da Jaquirana (one of easternmost ridges in Serra do Divisor), c. 500 m, above left bank of River Moa in Serra do Divisor National Park, Acre, Brazil


Genetic studies#R#R indicate sister relationship with T. insignis (which see), inhabiting equivalent ecological zone of stunted ridgetop forest in Guianan highlands. Monotypic.


Serra do Divisor (in Acre), in W Brazil, and on similar ridges in Loreto/Ucayali, in adjacent Peru.

Descriptive notes

c. 15 cm; 21–23 g. Male is almost entirely dark bluish-grey, with somewhat blacker hood, wings and tail, and mottled greyish underwing-coverts; may have some white... read more


Male loudsong an unevenly paced series c. 2 seconds long consisting of 15–25 (usually c. 20)... read more


Very dense low-stature ridgetop forest on thin, sandy soil; trees mostly of Fabaceae family, and... read more

Food and feeding

Arthropods, including orthopterans and caterpillars. Most foraging manoeuvres are reaches and gleans to nearby woody and herbaceous... read more


No information.


Probably sedentary.

Status and conservation

Not globally threatened. Although this species may have a small range, it is not believed to be at risk. It occurs within Serra do Divisor National Park with intact forest... read more

Recommended citation

Fjeldså, J. (2020). Acre Antshrike (Thamnophilus divisorius). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 26 February 2020).