Acre antshrike

The Acre antshrike (Thamnophilus divisorius) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Brazil and Peru.

The Acre antshrike is about 16 cm (6.3 in) long and weighs about 22 g (0.78 oz). Members of genus Thamnophilus are largish members of the antbird family; all have stout bills with a hook like those of true shrikes. This species exhibits significant sexual dimorphism. Adult males have a glossy black crown and nape with a few white feathers on the forehead and nape; the rest of their head and neck are a less glossy black. Their back is mostly bluish black with dark bluish gray rump and uppertail coverts. Their wings, scapulars, and wing coverts are mostly black and their primaries blackish. Their tail is black; all feathers except the central pair have white tips. Their underparts are mostly dark bluish gray with a somewhat darker throat. Adult females have a dark bluish gray crown. Their face is dark bluish gray with orangish shafts on the ear coverts. Their upperparts are unmarked dark bluish gray. Their wings are blackish; their tail is blackish with small buff-orange tips on the outermost feathers. Their chin and throat are deep ochraceous with darker mottling and the rest of their underparts are deep ochraceous or brownish orange. Both sexes have a chestnut brown iris and dull bluish gray legs and feet. Their maxilla is black or dark gray and their mandible black or dark gray with sometimes a pale horn base.