関連ワード:  why do whales go out of water    why do orcas come out of water    why do whales come out of the water to breathe    why do whales and seals come out of water every now and then    why do whales come up out of the water    why do humpback whales come out of the water    why does whales come out at the surface of water    why whales come out of water    why does the whale fish come out of water to breathe    why do dolphins and whales come out of the water