Ключевые слова: animal, animals, aves, avian, background, beak, beautiful, beauty, bird, birds, branch, brown, closeup, common, couple, cute, day, eurasian, eurasian tree sparrow, exterior, fauna, feather, feathers, flying, forest, garden, german sparrow, green, house, isolated, little, montanus, natural, nature, ornithology, outdoor, passer, passer montanus, plumage, sitting, small, sparrow, sparrow bird, sparrows, thailand, tree, white, wild, wildlife, winter,