Rufous-headed Pygmy Tyrant

The rufous-headed pygmy tyrant (Pseudotriccus ruficeps) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Bolivia, Colombia, Ecuador, and Peru with at least one record in Venezuela. == Taxonomy and systematics == The rufous-headed pygmy tyrant was originally described as "Musicapa (Todirostrum?) ruficeps". It was later moved to the monotypic genus Caenotriccus which in the middle of the twentieth century was merged into Pseudotriccus. The rufous-headed pygmy tyrant has no subspecies. However, the population in central Peru is treated by some authors as subspecies P. r. haplopteryx, and populations further south are suspected to be a separate species. == Description == The rufous-headed pygmy tyrant is about 11 cm (4.3 in) long and weighs 7 to 9 g (0.25 to 0.32 oz). The sexes have the same plumage. Adults have an entirely bright orange-rufous head and throat. Their upperparts are dark olive and their tail dull chestnut. Their wings are dark dusky with wide dull chestnut edges; the wings appear fully chestnut. The central Peruvian population has browner wings. Their breast and flanks are grayish olive and the center of their belly and their undertail coverts creamy yellow. Both sexes have a dark…