Chestnut-crested Antbird

The chestnut-crested antbird (Rhegmatorhina cristata) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Brazil and Colombia. == Taxonomy and systematics == The chestnut-crested antbird was described by the Austrian ornithologist August von Pelzeln in 1868 and given the binomial name Pithys cristata. The five members of genus Rhegmatorhina are sisters to the three species of genus Gymnopithys. The chestnut-crested antbird is monotypic. == Description == The chestnut-crested antbird is 14 to 15 cm (5.5 to 5.9 in) long. Both sexes have a pale bluish white ring of bare skin around the eye. Adult males have a rufous-chestnut crown, crest, and nape. Their forehead, lores, face, and throat are black. Their upperparts, wings, and tail are dark olive-brown with rufous edges on the wing feathers. Their breast is rufous-chestnut that becomes dark olive-brown on their belly. Adult females are like males with the addition of short black bars on their back feathers and lesser coverts. == Distribution and habitat == The chestnut-crested antbird is found from eastern Caquetá Department in Colombia east into western Brazil generally between the Vaupés, Negro, and Japurá rivers. It primarily inhabits the understorey of humid terra…