The capuchinbird or calfbird (Perissocephalus tricolor) is a large passerine bird of the family Cotingidae. It is monotypic within the genus Perissocephalus. It is found in humid forests (up to 1,400 metres (4,600 ft) but mostly below 600 m) in north-eastern South America, almost entirely north of the Amazon River and east of Rio Negro (Colombia, Venezuela, Brazil and The Guianas).
The capuchinbird is a large thick-set suboscine passerine with a relatively heavy bill. Adults weigh between 340 and 420 grams (0.75 and 0.93 lb; 11.99 and 14.82 oz) and are typically around 40 centimetres (15.75 in) long, making it the largest suboscine passerine, apart from the Amazonian and long-wattled umbrellabirds – indeed, females average larger than any female umbrellabird. Its plumage is overall rich brown, approaching orange on the belly and undertail coverts, and the remiges and short tail are black. The most distinctive feature is its bare, almost vulture-like head covered in dull blue skin. Juveniles resemble adults, with the exception of some downy feathers on the head. They gather in leks where they “sing”. The “song” is very odd and difficult to describe accurately, although some have compared it to the distant sound of a chainsaw or (as indicated by its alternative name “calfbird”) a cow mooing. They eat mainly fruits and insects.
- BirdLife International (2012). "Perissocephalus tricolor". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- del Hoyo, J. Elliott, A. & Christie, D. (editors). (2004) Handbook of the Birds of the World. Volume 9: Cotingas to Pipits and Wagtails. Lynx Edicions. ISBN 84-87334-69-5
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