Ключевые слова: agile, animal, aquatic, avian, beak, beautiful, bird, birdwatching, black, branch, chlidonias, cute, elegant, fast, fauna, feathers, flight, fly, flying, freedom, hunt, hybrida, hybridus, migrating, nature, one, open, ornithology, outdoor, outdoors, perch, plumage, red, seabird, sky, spread, sterna, swallow, swift, tern, travel, whiskered, whiskered tern, white, wild, wildlife, wings,