Ключевые слова: avian, bark, beak, bird, black, blue, caeruleus, calling, claws, closeup, color, colors, colour, coloured, colours, cyanistes, down, eyes, fauna, feathered, feathers, feet, fledgling, format, green, grey, hair, history, horizontal, legs, natural, nature, nobody, ornithology, perched, plumage, single, spring, springtime, tiny, tit, toes, vulnerable, white, wide, wild, wildlife, yellow,