Chaco Chachalaca vs Rufous-bellied Chachalaca

Chaco Chachalaca

Ortalis canicollis

Large539 gWoodland

The Chaco chachalaca is 50 to 56 cm (1.6 to 1.8 ft) long and weighs 479 to 678 g (1.1 to 1.5 lb). The nominate subspecies' head, back, and breast are gray and the belly tan to brown. It has bare pinkish red skin around the eye. O. c. pantanalensis is browner and the facial skin is more purplish than pinkish. Voice: The Chaco chachalaca's principal vocalization is given in the early morning, a "harsh, raucous 'chata-ra-ta'...or 'bink, ka chee chaw raw taw, chaw raw taw, chaw raw taw'.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Nicolas Olejnik · CC BY 4.0

Rufous-bellied Chachalaca

Ortalis wagleri

Large834 gWoodland

The rufous-bellied chachalaca is 62 to 67 cm (2.0 to 2.2 ft) long and weighs about 834 g (1.8 lb). Most of its plumage is gray brown to olive brown, but its chestnut belly and tail tips make it the most richly colored member of its genus. It has bare pink and blue skin around the eye. Voice: The rufous-bellied chachalaca's principal vocalization is a " loud, rhythmic, 4–5-syllable, chorus 'kirr-i-i-kr', 'chrr-i-k-rr' or 'chrr-uh-uh-rr' to which is sometimes added "loud cackling, whistling, or growling notes."

ID text from Wikipedia, CC BY-SA 4.0

Photo: memoosborne · CC0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Chaco Chachalaca and Rufous-bellied Chachalaca.