Little Chachalaca
Ortalis motmot
The little chachalaca is 43 to 54 cm (1.4 to 1.8 ft) long and weighs 345 to 620 g (0.76 to 1.4 lb). Its head is reddish chestnut, its upperparts reddish brown to gray-brown, and its underparts gray. Its central tail feathers are gray-brown and the outer ones rusty. Its primary flight feathers are dark brown. Its facial skin is dark slate gray. Voice: The little chachalaca's song is "a loud, rollicking duet, a repeated 'WATCH-a-lak', which is mainly given at dawn and dusk".
ID text from Wikipedia, CC BY-SA 4.0
Rufous-headed Chachalaca
Ortalis erythroptera
The rufous-headed chachalaca is 56 to 66 cm (1.8 to 2.2 ft) long and weighs 620 to 645 g (1.4 to 1.4 lb). It has a rufous head and neck and gray-brown back. The central tail feathers are dark gray and the outer ones gray near the body and chestnut on their outer halves. The lower breast and belly are creamy white. The primary flight feathers are bright chestnut. Its brown eye is surrounded by bare bluish gray skin. The legs are pale blue. Voice: The rufous-headed chachalaca is most vocal from before dawn into the early morning. Its principal call is a "raucous, repeated 'kwak-ar-ar-ar', 'cha-cha-kaw' or shriller 'kra-kra-kra'", and is usually initiated by the male. Pairs give several calls "including a soft cooing or clucking, harsh 'cow', and fast, repeated 'kawuck'."
ID text from Wikipedia, CC BY-SA 4.0

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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Little Chachalaca and Rufous-headed Chachalaca.