Razor-billed curassow

The razor-billed curassow (Mitu tuberosum) is a species of bird in the family Cracidae, the chachalacas, guans, and curassows. It is found in Bolivia, Brazil, Colombia, and Peru.

The razor-billed curassow is 83 to 89 cm (2.7 to 2.9 ft) long and males weigh about 3,860 g (8.5 lb). Their plumage is mostly black with a strong purplish blue gloss. The lower belly and undertail coverts are chestnut and the tips of the tail feathers white. It has a tall ragged crest. Its large bright red bill is laterally compressed, which gives the species its common name.