Ключевые слова: animal, animals, background, beak, beautiful, beauty, bird, bird sparrow, birds, blue, branch, bright, brown, colorful, domesticus, ecology, environment, eye, fauna, feather, green, house, house sparrow, male, natural, nature, ornithology, outdoor, outdoors, park, passer, passer domesticus, perched, picture, plumage, pond, songbird, sparrows, tree branch, wild, wild bird, wildlife, wing,