Curl-crested Aracari
Pteroglossus beauharnaisii
The curl-crested aracari is 42 to 46 cm (17 to 18 in) long and weighs 164 to 280 g (5.8 to 9.9 oz). It gains its English name from unique curly, shiny, black feathers on the top of its head and nape; they resemble pieces of plastic or enamel. Males and females are alike except that the female has a shorter bill. Their bill has a brown-orange line at its base. The mandible is ivory becoming orangey at its tip. The maxilla has an orangey culmen and a maroon stripe along its lower part that is wider at the base. Between them the maxilla is green or bluish. Voice: The curl-crested aracari's calls include series of "deep 'rrek' notes, soft 'rrr' to hard, even grunting 'grenk' notes". It also makes a "softer 'et-et'" when settling into a roost. Another author adds a "low, raucous 'cha-cha-cha cha wruh cha--'."
ID text from Wikipedia, CC BY-SA 4.0
Ivory-billed Aracari
Pteroglossus azara
The ivory-billed aracari is 36 to 45 cm (14 to 18 in) long and weighs 120 to 160 g (4.2 to 5.6 oz). The two subspecies (and the brown-mandibled species) do not differ appreciably in length, weight, or plumage but only in bill color. Adult males have a black cap above a chestnut head and throat, maroon-red nape and upper back, green lower back, and red rump. They have a narrow black band under the throat, a wide red band on the upper breast, a wide black band on the lower breast, a yellow belly, and green thighs. Voice: What is thought to be the ivory-billed aracari's song is "a series of 2–6 wailing 'twaaa-a-a' or 'tweee-ee' or 'traaa-at' notes". Other vocalizations include "rattles, grunt-like contact notes, nasal 'nyek', purr-like notes, 'kyeek' alarm, pure rattles 'bddddt'".
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: Curl-crested Aracari and Ivory-billed Aracari.