The area is also important for migrating cetaceans[2][3] and the "Whale Bay" in the east of Kanmaw Kyun was named historical presences of large number of whales.[4][5] Such variety includes resident population of Bryde's whales, occasional blue whales, longman's beaked whales, strap-toothed whales, and killer whales,[6] dolphins, finless porpoises, and Irrawaddy dolphins.