The Black Curassow is distributed in northern South America south and east of the llanos and north of the Amazon River. It is unique among the Crax curassows in the plumages of the the male and female are nearly identical, both having black plumage with from an obvious white patch on the lower belly and undertail. This species also has a thicker crest and less-developed bill knob and wattles than most other curassows. The Black Curassow occurs in forested habitats, favoring riparian and edge habitats and even clearings. Here it spends much of its time on the ground in search of insects, fruits, and other vegetable matter.