Ключевые слова: animal, animals, avian, beak, beautiful, bird, bird watching, birding, birds, birdwatching, brown, child sparrow, conservation, creature, cute, ecology, environment, fauna, feather, feathered, feathers, flight, fly, habitat, natural, nature, ornithology, outdoor, passeriformes, perched, plumage, plume, singing, singing bird, small, sparrow, sparrows, tree, tree sparrow, wild, wildlife, wing, winged, wings,