Orcas attack boats Orcas have attacked and sunk a third boat off the Iberian coast of Europe, and experts now believe the behavior is being copied by the rest of the population. Three orcas (Orcinus orca), also known as killer whales, struck the yacht on the night of May 4 in the Strait of Gibraltar, off the coast of Spain, and pierced the rudder. “There … Continue reading But why? Orcas have sunk 3 boats in Europe and appear to be teaching others to do the same