Tepui Elaenia

The tepui elaenia (Elaenia olivina) is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Brazil, Guyana, and Venezuela. == Taxonomy and systematics == The tepui elaenia has two subspecies, the nominate E. o. olivina (Salvin & Godman, 1884) and E. o. davidwillardi (Dickerman & Phelps, WH Jr, 1987). For much of the twentieth century the nominate was treated as a subspecies of the sierran elaenia (E. pallatangae). It (with subspecies E. o. davidwillardi) were not recognized as a separate species until about 2008 after which taxonomic systems made the change. == Description == The tepui elaenia is about 14.5 to 15 cm (5.7 to 5.9 in) long and weighs about 15 to 20 g (0.53 to 0.71 oz). It is a small elaenia with a very small crest. The sexes have the same plumage. Adults of the nominate subspecies have a dark olive-brown head with lighter cheeks, a thin yellowish white eyering, and a thin white strip in the center of the crown. Their upperparts are dark olive-brown. Their wings are mostly dark olive-brown with whitish or yellowish edges on the flight feathers. The tips of their wing coverts are whitish…