Ключевые слова: animal, avian, background, beak, beautiful, bird, birdie, birdwatching, branch, brown, color, colorful, cute, detail, eaurasian, environment, eurasian, eurasian tree sparrow, european, fauna, feather, forest, garden bird, habitat, montanus, natural, nature, ornithology, outdoor, park, passer, passer montanus, passeridae, passerine, perched, perching, plumage, singing, small, songbird, sparrow, tree, tree sparrow, twig, wild, wildlife, wing,