bare head bird bird in zoo birding carnivorous bird portrait of vulture vulture vulture bird vulture species vulture types zoo animals birds feathers fields land landscape nature vultures BLACK VULTURE carrion Cathartes aura everglades foriday scavenger swamp Turkey turkey vulture wetlands wing wings avian beak feather perch TREE LIMB limb tree buzzard dawn daybreak dusk eagle eagles flies fly flying high red sky soar soaring sun sunset animal Dierenpark Amersfoor Griffon vulture Marieke Kuijpers wild wildlife