Long-crested Pygmy Tyrant

The long-crested pygmy tyrant (Lophotriccus eulophotes) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in the western Amazon Basin of Bolivia, Brazil and Peru. == Taxonomy and systematics == The long-crested pygmy tyrant has had the binomial Lophotriccus eulophotes since it was originally described in 1925. It is monotypic. However, several early twentieth century authors treated it and what is now the double-banded pygmy tyrant (L. vitiosus) as conspecific. In addition, several authors have suggested that genus Lophotriccus should be merged into genus Hemitriccus. == Description == The long-crested pygmy tyrant is 10 to 10.5 cm (3.9 to 4.1 in) long and weighs 6.5 to 8 g (0.23 to 0.28 oz). The sexes have the same plumage. Adults have long black crown feathers with gray edges. They form the eponymous crest that it sometimes erects and fans; they extend beyond the rear of the head when folded. Adults have whitish lores on an otherwise olive face. Their back, rump, and uppertail coverts are olive. Their wings are dusky with olive tips on the coverts; the latter show very weakly as two wing bars. Their tail is dusky. Their throat and underparts are whitish…