Chaco Chachalaca vs Grey-headed 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

Grey-headed Chachalaca

Ortalis cinereiceps

Large493 gShrubland

The grey-headed chachalaca is a medium-sized bird, similar in general appearance to turkeys, with a small head, long strong legs, and a long broad tail. They are 48 to 58 cm (1.6 to 1.9 ft) long and weigh 490 to 540 g (1.1 to 1.2 lb). They have fairly dull plumage, grayish brown above and paler below. The head is dark grey with a red dewlap and the blackish tail is tipped with buff. Their primary flight feathers are bright chestnut. Juveniles are browner overall, especially on the head. Voice: The grey-headed chachalaca is less noisy than plain (O. vetula) or rufous-vented chachalacas (O. ruficauda). Its song is a soft "cha-cha-lac-ah". Flocks give raucous calls described as "kloik, kleeuk kraahk". It also makes a variety of screams, sharp alarm calls, and a quiet purr.

ID text from Wikipedia, CC BY-SA 4.0

Recorded by radrat · Uncertain · Pipeline road, Panama · CC BY-SA 4.0

Photo: Cricket Raspet · CC BY 4.0

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