Golden-winged Tody-Flycatcher

The golden-winged tody-flycatcher (Poecilotriccus calopterus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Colombia, Ecuador, and Peru. == Taxonomy and systematics == The golden-winged tody-flycatcher was originally described in 1857 as Todirostrum calopterum. Following a 1988 publication, taxonomic systems moved calopterus and several other species from Todirostrum to genus Poecilotriccus. By the early twenty-first century genus Poecilotriccus had species called both "tody-tyrant" and "tody-flycatcher" so taxonomic systems began renaming the "tyrants" to "flycatcher". The golden-winged tody-flycatcher shares genus Poecilotriccus with 11 other species. The golden-winged tody-flycatcher is monotypic. However, during the twentieth century several authors treated it and the black-backed tody-flycatcher (P. pulchellus) as conspecific. == Description == The golden-winged tody-flycatcher is about 9.5 cm (3.7 in) long and weighs about 6 g (0.21 oz). The sexes have the same plumage. Adults have a mostly black head with a white throat. Their back, rump, and uppertail coverts are olive green. Their wings are black with yellowish white edges on the inner flight feathers. Their lesser wing coverts are chestnut and the median coverts bright yellow; the former show on the shoulder and the latter show as two wing bars. Their tail is…