Ключевые слова: animal, animals, avian, beak, bird, birding, birds, birdwatcher, birdwatching, branch, brown, catch, chick, claws, creature, domestic, domesticus, fauna, feather, feathered, feathers, fly, freedom, garden, haussperling, house, hungry, looking, natural, nature, nestling, ornithology, passer, passer domesticus, plumage, small, songbird, sparrow, urban, wild, wildlife, wing, wings, young,