Black-billed Flycatcher

The black-billed flycatcher (Aphanotriccus audax) is a Near Threatened species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Colombia and Panama. == Taxonomy and systematics == The black-billed flycatcher was originally described by American naturalist Edward William Nelson in 1912 as Praedo audax. Beginning in about 1935 some authors merged Praedo into Aphanotriccus but as late as 1972 at least one retained the species in Praedo. The black-billed flycatcher is monotypic. It shares genus Aphanotriccus with the tawny-chested flycatcher (A. capitalis). == Description == The black-billed flycatcher is about 13 cm (5.1 in) long. The sexes are thought to have the same plumage. Adult males have an olive-gray crown, a thin white eye-ring, and a white stripe above the lores. Their upperparts are bright greenish olive. Their wings are dusky with pale buff ends on the coverts that show as two wing bars. Their tail is rather long and dusky brown. Their throat is white, their upper breast white with a faint olive wash, and their lower breast and belly are yellowish to greenish. They have a dark iris, a short black bill, and blackish legs and feet. == Distribution and habitat == The black-billed…