The black vulture has a grey head. It is also known as the black vulture, monk vulture, or Eurasian black vulture. The black vulture has a gray head. The black vulture has a Nearctic and Neotropic distribution. The black vulture also occasionally feeds on livestock or deer. In natural settings, the black vulture eats mainly carrion. The black vulture is among the 184 bird species recorded. The black vulture is gregarious, and roosts in large groups. The black vulture appears in a variety of Maya hieroglyphics in Mayan codices. The black vulture ("Aegypius monachus") was next to disappear. The black vulture soars high while searching for food, holding its wings horizontally when gliding. "Black vulture" has been designated the official name by the International Ornithologists' Union (IOC).