Ключевые слова: avian, background, barn, barn swallow, beak, beautiful, beauty, bird, birding, birds, birdwatching, black, branch, color, colorful, cute, environment, fauna, feather, flight, fly, flying, hirundo, hirundo rustica, life, natural, nature, ornithology, outdoor, rustica, small, summer, swallow, tail, wild, wild life, wildlife, wing, wings,