A rare white orca has been filmed off the coast of Japan.<br /><br />The marine mammal was spotted in Shiretoko Peninsula, Hokkaido, for the first time in two years on 13 May.<br /><br />Sightseeing cruise staff captured footage of the 26ft male swimming in a pod of other killer whales, as they are also known.<br /><br />Orcas are usually black and white but white ones have occasionally been seen in the ocean.<br /><br />It is not clear if the colouring is a result of albinism.
