Rufous-backed Antvireo

The rufous-backed antvireo (Dysithamnus xanthopterus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is endemic to Brazil. == Taxonomy and systematics == The rufous-backed antvireo is monotypic. == Description == The rufous-backed antvireo is about 12 cm (4.7 in) long. Adult males have a gray forehead, crown, nape, and upper back; their forehead, upper sides of the face, and lores have white spots. Their rest of their upperparts, wings, and tail are rufous. The center of their throat is white. Most of their underparts are pale gray (that is almost white on the belly) and their flanks are ochraceous. Adult females have a rufous crown and the spots on their face are pale buff. Most of their underparts are also pale buff, with pale olivaceous sides and flanks. == Distribution and habitat == The rufous-backed antvireo is native to the Serra do Mar coastal forests, primarily between Rio de Janeiro and Paraná states. Since 2013 there have been scattered records from further south in Santa Catarina. The species inhabits the mid-storey to the subcanopy of montane evergreen forest and mature secondary forest. In elevation it ranges between 750 and 1,700 m (2,500 and…