Ключевые слова: animal, animals, avian, background, beak, beautiful, bird, birding, birds, birdwatching, bread, brown, city, close, closeup, cold, crumb, cute, details, eurasian tree sparrow, european, fauna, feather, feathers, focus, food, gray, grey, habitat, house sparrow, meal, natural, nature, one, ornithology, park, scene, sitting, small, snow, songbird, sparrow, spring, waiting, white, wild, wildlife, wing, winter,