Its hooked beak is all raptor. Birds are no less diverse behaviorally ... hooked beak makes short work of prey. Endangered, the white-headed duck (Oxyura leucocephala) is native to Spain, North ...

It is recognizable by its dark-brown face, long, white neck, and of course, a white backside that can only be seen when the bird is in flight ... as its beak is unable to rip through tough ...

Rooks' bare, greyish-white faces, thinner beaks and peaked heads make it easier to tell them from crows and other black birds. Rooks are very sociable, and you're not likely to see one on its own.