Rufous-winged Antshrike

The rufous-winged antshrike (Thamnophilus torquatus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Bolivia, Brazil, and Paraguay. == Taxonomy and systematics == The rufous-winged antshrike was described by the English naturalist William Swainson in 1825 and given its current binomial name Thamnophilus torquatus. It and the rufous-capped antshrike (T. ruficapillus) are sister species. The South American Classification Committee of the American Ornithological Society is considering a proposal to lump them as a single species. The rufous-winged antshrike is monotypic. == Description == The rufous-winged antshrike is about 14 cm (5.5 in) long and weighs 18 to 20 g (0.63 to 0.71 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 black crown and a gray face, neck, and upperparts. Their wings and wing coverts are cinnamon-rufous. Their tail is black with white bars on the outer feathers. Their throat and underparts are whitish with black bars on the breast. Adult females have a rufous crown and a mottled whitish and gray face. Their upperparts are…