Ключевые слова: animal, autumn, avian, biology, bird, blue, color, columba, coo, dove, environment, fall, feathers, feral, field, find, food, forest, grass, gray, grey, herd, invasive, leaf, leafs, livia, looking, meadow, nature, ornithology, pack, palumbu, pest, pet, pigeon, rock, season, seed, sky, species, urban, vertebrate, wildlife, zoology,