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Rufous-vented Chachalaca
From Wikipedia, the free encyclopedia
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| Ortalis ruficauda Jardine, 1847 |
The Rufous-vented Chachalaca, Ortalis ruficauda, is a member of an ancient group of birds of the Cracidae family, which are related to the Australasian mound builders. It breeds in northeast Colombia and northern Venezuela where this bird is known as Guacharaca or Guacharo and in Tobago where it is known as the Cocrico. It is also found on Bequia and Union Island in the Grenadines where it may have been introduced.
Rufous-vented Chachalaca is an arboreal species but is also found in more open dry scrubby habitats. It is less dependent on forest than larger members of the family. The twig nest is built low in a tree, and three or four large white eggs are laid. The female incubates them alone.
These are medium-sized birds, similar in general appearance to turkeys, with small heads, long strong legs and a long broad tail. They are typically 53-58cm long; the female weighs 540g and the larger male 640g. They have fairly dull plumage, dark brown above and paler below. The head is grey, and the brown tail is tipped rufous or white depending on race.
Rufous-vented Chachalaca is a very noisy species. The male's call is a loud low ka-ka-rooki-rooki-ka, answered by the female's high-pitched watch-a-lak. It is also a social bird, often seen in family groups. It walks along branches seeking the fruit and seeds on which it feeds, or flies off with a flap and glide.
This species is one of the national birds of Trinidad and Tobago and is featured on that county's coat of arms along with the Scarlet Ibis, the Ibis representing Trinidad and the Cocrico, Tobago. The Cocrico is currently a pest in its native island of Tobago and agriculturists in Trinidad and Tobago are currently experimenting with ways of utilizing the animal to benefit humans and to maintain a healthy population in the wild.
- BirdLife International (2004). Ortalis ruficauda. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes justification for why this species is of least concern
- Evans, Peter (1990) Birds of the Eastern Caribbean, Macmillan, ISBN 0-333-52155-2
- ffrench, Richard (1991). A Guide to the Birds of Trinidad and Tobago, 2nd edition, Comstock Publishing. ISBN 0-8014-9792-2.
- Birds of Venezuela by Hilty, ISBN 0-7136-6418-5
- Stamps (for Trinidad and Tobago, Venezuela)
- Rufous-vented Chachalaca videos on the Internet Bird Collection
- Rufous-vented Chachalaca photo gallery VIREO