Ключевые слова: agile, arrives, beak, beautiful, behavior, big, biology, birch, bird, black, branch, brick, charming, closeup, color, december, feather, feathery, february, floor, food, january, jumping, natural, nature, nimble, observation, ornithology, outdoors, paw, pretty, several, snow, stone, tail, tie, tit, tree, trunk, turn, wing, winter, yellow, zoology,