While monotypic, birds in the south average smaller and tend to show bare dark grayish skin below eye (similar in shape to the yellow skin on yellow-billed magpie). Black bill and range ...

Foraging birds are commonly seen on the ground ... The brown-headed’s dark bill shows a pale or horn base to the lower mandible; on the shiny, the bill is shiny black. On the closed wings ...

The blue-billed curassow is the world's most threatened species of cracid, a family of beautiful crested game birds found primarily in Latin America. This large, mainly black bird is the only curassow ...