Ключевые слова: animal, animals, avian, background, beak, beautiful, bird, birds, birdwatching, blue, blue tit, branch, caeruleus, colorful, cute, cyanistes, cyanistes caeruleus, eurasian blue tit, european, feather, life, natural, nature, ornithology, passerine, perched, small, songbird, tiny, tit, wild, wild life, wildlife, yellow,