It's been 43 years since the death of Skana, the world-famous orca experts believe changed the way people viewed killer whales and spurred a global movement in whale conservation.
The yacht Grazie Mamma II carried its crew along the coastlines and archipelagoes of the Mediterranean. Its last adventure was off the coast of Morocco last.
Staying Alive: The Owl, the Orca, and the Human Problem 3quarksdaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from 3quarksdaily.com Daily Mail and Mail on Sunday newspapers.