Ключевые слова: adult, animal, avian, beautiful, biology, bird, birding, birdsong, birdwatching, brown, call, chant, closeup, eurasian, europe, european, feather, feathers, little, mating, miniature, nature, ornithology, outdoors, perch, perched, plumage, season, small, troglodytes, watchful, wild, wildlife, wren,