Plain-crested Elaenia

The plain-crested elaenia (Elaenia cristata) is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Bolivia, Brazil, Colombia, French Guiana, Guyana, Peru, Suriname, and Venezuela. == Taxonomy and systematics == The plain-crested elaenia has two subspecies, the nominate E. c. cristata (Pelzeln, 1868) and E. c. alticola (Zimmer & Phelps Sr., 1946) The plain-crested elaenia and the rufous-crowned elaenia (E. ruficeps) are sister species. == Description == The plain-crested elaenia is 12.5 to 15 cm (4.9 to 5.9 in) long and weighs about 18 g (0.63 oz). It is a small elaenia with a conspicuous crest. The two subspecies and the sexes have essentially the same plumage. Adults have a dull olive-brown head with lighter brown cheeks and a thin whitish eyering. Their upperparts are dull olive-brown. Their wings are mostly dusky; the flight feathers have whitish edges and the tips of the coverts are whitish. The latter show as two bars on the closed wing. Their tail is dusky. Their throat is grayish white, their breast grayish olive, and their belly and undertail coverts pale yellow. Both sexes of both subspecies have a dark brown iris, a black maxilla, a pale…