Dolphins
Dolphins are a widely distributed and diverse group of aquatic mammals. They are an informal grouping within the order Cetacea, excluding whales and porpoises, so to zoologists the grouping is paraphyletic.
| Links | https://en.wikipedia.org/wiki/Dolphin |
About/Subject 5
 | Whales and Dolphins | Hardback |
 | Scientific American (August 1996) | Magazine |
 | Breakout! (1997, Nummer 15) | Magazine |
 | My Best Book of Whales and Dolphins | Paperback |
 | Dolphins and Sharks | Paperback |