Crax is a genus of curassows from tropical South America. Only the great curassow ranges north through Central America as far as Mexico. The variety of male bill ornament shapes and colors is typical for this genus, as is a curly crest and a contrasting white or rufous crissum. Crax species, even distantly related one, readily hybridize, with fert... Found on http://en.wikipedia.org/wiki/Crax