Minke whale (Balaenoptera acutorostrata) with an old wound in its dorsal fin now used to recognise this individual by biologists every year in the Hebridean waters. West coast, Scotland

minke whale balaenoptera acutorostrata old wound dorsal fin now used recognise individual biologists every year hebridean waters west coast of scotland uk europe british whale whales baleen cetacean cetaceans mammal mammals marine surface fins distinctive distinct damage damaged recognised known skin mark markings