Hippopotamus
Database entry includes a range map and justification for why this species is vulnerable
*"DR Congo's hippos face extinction".
BBC. Retrieved Nov. 14, 2005.
*"Congo's hippos fast disappearing ..."
Toronto Star. Retrieved Nov. 14, 2005.
*Lydekker, R. 1915. Catalogue of the Ungulate Mammals in the British Museum of Natural History, Vol. 5. British Museum: London.
*Okello, J.B.A , Nyakaana, S., Masembe, C., Siegismund, H.R. & Arctander, P. 2005. Mitochondrial DNA variation of the common hippopotamus: evidence for a recent population expansion. Heredity, 95: 206-215.
*Suiform Soundings: The IUCN/SSC Pigs, Peccaries, and Hippos Specialist Group (PPHSG)Newsletter, Volume 5, No. 1, September 2005. http://www.iucn.org/themes/ssc/sgs/pphsg/Suiform%20soundings/Newsletter%205(1).pdf.
* "Odd couple make friends in Kenya".
BBC. Retrieved 6 March 2006.
*ARKive -
images and movies of the hippopotamus (Hippopotamus amphibius)*
Hippos: Wildlife summary from the African Wildlife Foundation*
IUCN Pigs, Peccaries and Hippopotamus Specialist group *
Common Hippopotamus facts and photos - Wild Animals Online encyclopedia
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Hippo photo and information*
Hippopotamus cartoons*
Cartoon Dancing Hippo
