The White-winged Guan is a large critically endangered species of bird found in northwestern parts of Peru where it lives in ravine habitats. They feed on plant material like fruits, flowers, leaves, and seeds.
White-winged Guans have a mostly black plumage, with a green iridescence. The wing primary feathers are white, giving the species its common name. The bare skin on the face is purple and it has a reddish wattle.
It was thought to be extinct before being rediscovered in 1977. There were no known records of the bird being alive for about a hundred years prior to rediscovery. As of 2017 the species is considered to be critically endangered with threats including habitat destruction and hunting.