Indo-Pacific humpback dolphin  (Sousa chinensis)

Beak: In cetacea (whales and dolphins), the elongated forward part of the head, comprising the lower jaw and upper jaw or 'rostrum'.
Cetaceans: A group comprising all whale species; therefore including dolphins and porpoises.
Dorsal fin: In fish, the unpaired fin found on the back of the body.

1. IUCN Red List (November, 2008)
   http://www.iucnredlist.org
   
2. Carwardine, M., Hoyt, E., Fordyce, R.E. and Gill, P. (1998) Whales and Dolphins. HarperCollins Publishers, London.
   
3. Macdonald, D.W. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.
   
4. CITES (July, 2002)
   http://www.cites.org
   
5. Animal Diversity Web (July, 2002)
   http://animaldiversity.ummz.umich.edu/accounts/sousa/s._chinensis$narrative.html
   
6. Whale and Dolphin Conservation Society (July, 2002)
   http://www.wdcs.org
   
7. Our World (July, 2002)
   http://ourworld.compuserve.com/homepages/jaap/Sousa.htm
   
8. Richards Bay Humpback Dolphins (July, 2002)
   http://www.dolphins.org.za/
   
9. Atkins, S. (2002) Pers. Comm.