The Juan Fernandez tit-tyrant (Anairetes fernandezianus) is an endangered species of bird in the family Tyrannidae, the tyrant flycatchers. It is endemic to the Juan Fernández Islands in the South Pacific Ocean off of Chile. == Taxonomy == The members of genus Anairetes are known commonly as tit-tyrants because of their active foraging behavior and crests are reminiscent of the true tits in the family Paridae. The genus had formerly been named Spizitornis. The Juan Fernandez tit-tyrant is monotypic. == Description == The Juan Fernandez tit-tyrant is 12.5 cm (4.9 in) long. The sexes have the same plumage, though females are slightly smaller than males and have a smaller crest. Adults have a black crest formed by elongated feathers in the center of the crown; the rest of their crown is blackish with a few whitish feathers. Their forehead and lores are black and extend through the eye, their supercilium is thin and white, and the rest of their face is white with black streaks. Their upperparts are dark dusky gray. Their wings are blackish with white to pale yellow edges on the flight feathers. Their wing coverts have thin white tips that show as two bars on the closed…
