Vultures in the African bush eating carrion

whitebacked vulture wake of vultures vultures carrion feeding critically endangered wildlife bird behaviour avian aves conservation white neck ruff accipitridae ornithology important ecological role scavenging scavenger birds cleanup crew carnivorous carnivore kenya birdwatching eating scavenge gyps africanus fauna dark plumage african bush conservancy nature tourism reserve wild animal safari naboisho population decline wilderness wild observe africa savannah african park