関連ワード:  why do whales come out of water    why do whales jump out of water    why do orcas come out of water    why do whales come out of the water to breathe    why do orcas jump out of water    why do whales and seals come out of water every now and then    why do whales jump out of the water near humans    why do humpback whales jump out of water    why do whales jump out of the water and splash    why do whales jump out of the water near boats