 It is a mostly black bird with a white tip to its tail, a red bill and a distinctive grey casque on its forehead.The population of this bird is in decline and the International Union for Conservation of Nature has rated its conservation status as "endangered".It is a large terrestrial black curassow with a small head, large bluish grey casque on forehead, red bill, white-tipped tail feathers, greenish glossed mantle and breast feathers, and white below.