Black-necked Aracari
Pteroglossus aracari
The black-necked aracari is 43 to 46 cm (17 to 18 in) long and weighs 177 to 325 g (6.2 to 11 oz). Males and females have the same plumage and bill coloration, though the female's bill is shorter. Adults of the nominate subspecies have a black head, neck, and throat with chestnut-black ear coverts. Their brown eye is surrounded by blue-gray to black bare skin. Their upperparts are mostly green with a red rump. Their underparts are yellow with a wide red band across the lower breast and greenish thighs. Voice: A common black-necked aracari call is "'tsee-eet' to 'sneet'...sometimes longer as 'tseeeeeee-it'". It also makes a "rattled 'bdd-dddit'" that might be vocal or from rattling the bill.
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: Black-necked Aracari and Ivory-billed Aracari.