flying turkey vulture cathartes aura

above alviso america american animal area aura avian background bay beautiful bird birdwatching black blue buzzard california carnivore cathartes circling copy death detail face fauna feather flight fly flying francisco free head large life looking marsh native north ornithology predator prey raptor red san scavenger scavenging sky soaring south space states thunderbird turkey ugly united usa vulture vultures wild wildlife wing wingspan