Ключевые слова: animal, background, beak, beautiful, bird, birds, birdsong, birdwatching, blue, blue tit, caeruleus, city bird, color, colorful, cyanistes, cyanistes caeruleus, europe, european, forest, garden, garden bird, green, little, looking, natural, nature, ornithology, parus, passerine, small, songbird, tiny, tit, titmouse, tomtit, wild, wild life, wildlife,