Chestnut-headed Oropendola
Psarocolius wagleri
Chestnut-headed oropendola males average 35 cm (14 in) long and females 28 cm (11 in). Males weigh an average of 214 g (7.5 oz) and females 113 g (4.0 oz). The species looks very long-winged in flight. Males have a slight crest. Adult males of the nominate subspecies have a dark purplish chestnut head, throat, and upper breast. Their body and wings are mostly black with a bluish gloss. Their rump and uppertail coverts are dark chestnut and their rear flanks and undertail coverts a medium chestnut.
ID text from Wikipedia, CC BY-SA 4.0
Olive Oropendola
Psarocolius bifasciatus
The olive oropendola is the largest member of its genus. Males are about 47 to 53 cm (19 to 21 in) long and females 34 to 38 cm (13 to 15 in). Adult males have long feathers on their nape that form a crest. Females lack the crest but are otherwise like males except for their smaller size and somewhat duller plumage. Adults of the nominate subspecies P. b. bifasciatus have a blackish brown head, neck, and upper breast that combined look like a hood. They have a patch of bare pinkish skin on their face.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
Learn this pair in the BeakBrain App
Photo and call practice. Coming soon to iPhone and Android.
Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Chestnut-headed Oropendola and Olive Oropendola.