Yellow-knobbed curassow

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Yellow-knobbed curassow
Crax daubentoni -Hamerton Zoo, Cambridgeshire, England -male-8a (1).jpg
Male at Hamerton Zoo Park, England
Crax daubentoni -Philadelphia Zoo -female-8a-4c.jpg
Female at Philadelphia Zoo, USA
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Galliformes
Family: Cracidae
Genus: Crax
C. daubentoni
Binomial name
Crax daubentoni
G.R. Gray, 1867

The yellow-knobbed curassow (Crax daubentoni) is a large species of bird found in forest and woodland in Colombia and Venezuela. It feeds mainly on the ground, but flies up into trees if threatened. Its most striking features are its crest, made of feathers that curl forward, and the fleshy yellow knob at the base of its bill. Females lack this fleshy yellow knob, but otherwise resemble the male in the plumage, being overall black with a white crissum (the area around the cloaca). The adult is 84–92.5 cm (33–37 in)[2] and weighs about 2–3 kg (4.4-6.6 lbs).[3] It eats fruits, leaves, seeds, and small animals. Unlike most other gamebirds, curassows nest off the ground, with both sexes helping in the construction. The female lays just 2 eggs - a tiny clutch compared to those of many ground-nesting gamebirds.



  1. ^ BirdLife International (2012). "Crax daubentoni". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.
  2. ^ "Archived copy". Archived from the original on 2008-05-12. Retrieved 2008-10-06.CS1 maint: archived copy as title (link)
  3. ^