Ключевые слова: animal, arugam bay, asia, bird, birding, chlidonias hybrida, dawn, evening, flying, india, indian subcontinent, lagoon, laridae, marsh tern, morning, motion, movement, nature, nature reserve, panoramic, pottuvil, sea bird, sri lanka, tern, twilight, water bird, whiskered tern, wild, wild animal, wildlife,