Highland Elaenia
Elaenia obscura
The highland elaenia is 16 to 19 cm (6.3 to 7.5 in) long and weighs about 14 to 24 g (0.49 to 0.85 oz). It is a large elaenia without a crest. The sexes have the same plumage. Adults have a dark grayish olive head with lighter cheeks, a dusky loral spot, and a thin whitish eyering. Their upperparts are dark grayish olive. Their wings are mostly dusky with pale edges on the flight feathers. The tips of their wing coverts are yellowish and show as two bars on the closed wing. Their tail is dusky with white tips on unworn feathers. Voice: The highland elaenia's song differs somewhat across its range, but the songs are variations on a "weehr-drrrr-whee" phrase. Short notes or whistles are sometimes added. The species' call is "a rising-falling or purely descending 'breerr' ".
ID text from Wikipedia, CC BY-SA 4.0
Mottle-backed Elaenia
Elaenia gigas
The mottle-backed elaenia is 17.5 to 18.5 cm (6.9 to 7.3 in) long. It is a large elaenia with a prominent split crest that can look like horns. The sexes have the same plumage. Adults have an olive-brown head with lighter cheeks, a faint whitish eyering, and a large white patch on the crown. Their upperparts are olive-brown with paler green-olive edges on the back feathers that give a mottled or streaked appearance. 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. Voice: The mottle-backed elaenia's dawn song is " 'wurdit' or 'purdip' given repeatedly from top of low tree or bush". Its calls include "a martin-like 'direet' and a shrill 'pert-chéér' ".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Highland Elaenia and Mottle-backed Elaenia.