Killer whale (Orcinus orca) lying on its back tail slapping with Hebridean rocky shore behind . West coast of Scotland.

killer whale orcinus orca lying back tail slapping hebridean rocky shore behind west coast of scotlandbehaviour behavior orca dolphin dolphins whale whales cetacean cetaceans mammal mammals marine sea coast coastline coastal waters shoreline uk europe british north atlantic ocean communication tails fluke power powerful unusual horizontal