White-backed vultures (Gyps africanus) perching on a tree top, Savuti, Chobe National Park, Botswana, Africa

white backed vultures gyps africanus perching tree top savuti chobe national park botswana africa vultures flock birds tree branches resting perching sky clouds day wildlife nature africa savannah animal predator scavenger feather wing beak head eye brown black tall bare wide open habitat environment ecosystem natural beauty outdoor avian ornithology zoology conservation endangered protection