Amazonian Black Tyrant

The Amazonian black-tyrant (Knipolegus poecilocercus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is particularly native to riverbanks of the Amazon rainforest. == Taxonomy and systematics == The Amazonian black tyrant was formally described by August von Pelzeln in 1868 as Empidochanes coecilocerecus. It was later transferred to genus Phaeotriccus which was still later merged into Knipolegus. The Amazonian black tyrant is monotypic. It is called "maria-preta-do-igapó" in Brazilian Portuguese, "Viudita-negra Amazónica" in Ecuadorian and Peruvian Spanish, and "Atrapamoscas Remoloncito" in Venezuelan Spanish. == Description == The Amazonian black tyrant is about 12.7 to 13.5 cm (5.0 to 5.3 in) long and weighs about 14 g (0.49 oz). It has unusually large eyes. Adult males are almost entirely glossy black with a slight bluish sheen. Their primaries have a brownish tinge. Adult females have a mostly olive-brown head and upperparts with grayish white lores and eye-ring and rufous uppertail coverts. Their wings are dusky with buff edges on the flight feathers and cinnamon-buff tips on the coverts that show as two wing bars. Their tail is dusky with cinnamon edges on the feathers. Their underparts are mostly pale buff with brownish olive streaks on the…