| Animal, Marine life : Whale , Enormous body. Whales are marine mammals of order Cetacea which are neither dolphins – members, in other words, of the families Delphinidae or Platanistoidae – nor porpoises. They include the blue whale, the largest living animal. Orcas, colloquially referred to as 'killer whales', and pilot whales have whale in their name but for the purpose of classification they are actually dolphins. |