The Great Curassow (Crax rubra) is a large, pheasant-like bird from the Neotropics. At 78–100 centimetres (31–39 in) in length and 3.1–4.8 kilograms (6.8–11 lb) in weight, this is a very large cracid. No other cracid match its maximum weight, but its length is matched by a few other cracids.
The male is black with a curly crest, a white belly, and a yellow knob on its bill. There are three morphs of female Great Curassows: Barred morph females with barred neck, mantle, wings and tail, rufous morph with an overall reddish brown plumage and a barred tail, and dark morph female with a blackish neck, mantle and tail (the tail often faintly vermiculated), and some barring to the wings. In most regions only one or two morphs occur, and females showing a level of intermediacy between these morphs are known (e.g. resembling rufous morph, but with black neck and faint vermiculations to wings).
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| Great Curassow |
image source: http://www.flickr.com/photos/7326810@N08/
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| Great Curassow(female) |
image source: http://flickr.com/photos/32005048@N06
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