Ключевые слова: animal, animals, avian, background, barn, barn swallow, beak, beautiful, beauty, biology, bird, birds, birdwatching, black, branch, chick, closeup, cute, environment, fauna, feathers, feed, flying, hands, hirundo, hirundo rustica, martin, migrant, natural, nature, nest, ornithology, outdoor, outdoors, perched, perching, plumage, portrait, rustica, spring, summer, swallow, swallows, tame, trained, wild, wildlife, wing, woman,