White-breasted Antbird

The white-breasted antbird (Rhegmatorhina hoffmannsi) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is endemic to Brazil. == Taxonomy and systematics == The five members of genus Rhegmatorhina are sisters to the three species of genus Gymnopithys. The white-breasted antbird frequently hybridizes with the congeneric harlequin antbird (R. berlepschi). The white-breasted antbird is monotypic. == Description == The white-breasted antbird is 14 to 15 cm (5.5 to 5.9 in) long and weighs 28 to 34 g (0.99 to 1.2 oz). Both sexes have a crest and a pale greenish yellow ring of bare skin around the eye. Adult males have a black forehead, crown, and nape. Their upperparts, wings, and tail are olive-brown with rufous edges on the wing feathers. Their face, throat, and breast are white and the rest of their underparts olive-gray. Adult females have a similar pattern to males but with black-streaked chestnut on the crown, a rufous-chestnut nape, and buff-edged black tips on the feathers of their upperparts, wing coverts, and belly. == Distribution and habitat == The white-breasted antbird is found in central Amazonian Brazil from the east bank of the lower Rio Madeira in Amazonas south through…