Northern Screamer
Chauna chavaria
The northern screamer is 76 to 91 cm (30 to 36 in) long. They are stout bodied with a disproportionately small head and a gray bill. The sexes have the same plumage. Adults have a gray crown with a long crest, a mostly white face, a wide black band around the neck, and a dark gray body, wings, and tail. Their wing has two sharp spurs at its manus. They have bare red skin around their brown eye and reddish orange legs and feet. Juveniles are similar to adults but drabber. Voice: The northern screamer, like others of its family, is very vocal. Its primary vocalization is a "single, rather high-pitched yelping call...'kleer-a-ruk, cherio'."
ID text from Wikipedia, CC BY-SA 4.0
Southern Screamer
Chauna torquata
The southern screamer is one of the largest birds of southern South America at 83 to 90 cm (33 to 35 in) long and weighing about 4.4 kg (9.7 lb). Their flat wing measures 50 to 57 cm (20 to 22 in), their tail 22 to 26 cm (8.7 to 10.2 in), and their culmen 4.0 to 5.4 cm (1.6 to 2.1 in). They are stout bodied with a disproportionately small head and a "chicken-like" grayish brown bill. The sexes have the same plumage. Their head and upperparts are gray with a velvety black "collar" around the base of the neck. Their wings and tail are dusky and the wing has two sharp spurs at its manus. Voice: The southern screamer's "loud, unmelodious, double-noted trumpet call" has been further described as "a low, throaty, almost barking, brief oh-WOOOW which also sounds sometimes as be-SERK." Female's calls are somewhat weaker and higher pitched than males'. Screamers call both in flight and when perched, and the call can be heard for up to 3 km (2 mi). away.
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: Northern Screamer and Southern Screamer.