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
Red-bellied Grackle
Hypopyrrhus pyrohypogaster
The male red-bellied grackle grows to about 30 cm (12 in) and the female about 27 cm (10.6 in). The sexes are similar in appearance being entirely black apart from a red belly and red under-tail coverts. The bill is conical in shape and the irises are white or yellow. When held in the hand it is possible to see that the feathers of the head, neck and throat have shiny, naked shafts and thick, narrow webs.
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: Olive Oropendola and Red-bellied Grackle.