Ключевые слова: animal, avian, bahrain, beak, behavior, bird, birding, birds, birdwatching, dance, daytime, environment, fauna, feathers, grey, mating, migration, migratory, natural, nature, ornithology, sand, sea bird, shore bird, sterna repressa, tern, white, white cheeked, white cheeked tern, whitecheeked, whitecheeked tern, wild, wildlife, wings,