Bare-crowned Antbird

The bare-crowned antbird (Gymnocichla nudiceps) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Belize, Colombia, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, and Panama. == Taxonomy and systematics == The bare-crowned antbird was originally described by the American ornithologist John Cassin in 1850 with the name Myiothera nudiceps. In 1858 the English zoologist Philip Sclater erected genus Gymnocichla and transferred the species to it. The bare-crowned antbird is the only member of its genus and has these four subspecies: G. n. chiroleuca Sclater, PL & Salvin, 1869 G. n. erratilis Bangs, 1907 G. n. nudiceps (Cassin, 1850) G. n. sanctamartae Ridgway, 1908 == Description == The bare-crowned antbird is 15 to 17 cm (5.9 to 6.7 in) long and weighs 28 to 33 g (0.99 to 1.2 oz). Males of all four subspecies have bright blue bare skin on their forehead, forecrown, lores, and around their eyes. Females have the same blue skin on their lores and around their eyes. Adult males of the nominate subspecies G. n. nudiceps are otherwise almost entirely black. Their wing coverts have white tips, their alula and outermost primary have white edges, and their tail…