appearance bird birds color colorful colour colourful columba livia domestica common domestic pigeon fancy pigeons fauna feathers feral gregarious ground feeders iridescence iridescent pests pigeon pigeon pie pigeons plumage plumage varieties prolific rock pigeon variations variety common wood pigeon nature sit tree twig appetite bread feeders feeding flock garbage greedy scraps symbol. symbolic white bush coat colse up culver dove feather itting looking rats of the air watching animal road chicken feathering brown rest cutout isolated walk wings