11. The urubu ( black vulture ), nature's dustman, is ubiquitous. 12. The black vulture is a scavenger and feeds on carrion, but will also eat regurgitation. 13. It featured the live horse " Black Vulture ", which was a big audience draw. 14. The bird is actually a black vulture rather than a turkey vulture ( buzzard ). 15. It is noted for its presentation of large horned Alborz red sheep and a black vulture . 16. His body was only discovered a year later because of the black vultures circling over it. 17. In one print, a pair of sinister-looking black vultures pick at the head of a dead deer. 18. The black vulture has a grey head. 19. Black vultures , Cooper's hawks, merlins, red-shouldered hawks and sharp-shinned hawks have also been seen on the refuge.20. Raptors such as the osprey, American black vulture and barred owl live in the marshes of southern Louisiana.