Hippopotamidae (Hippopotamuses)

Hippopotamuses are stout, naked-skinned, and amphibious artiodactyl mammals, possessing three-chambered stomachs and walking on four toes on each foot. While they resemble pigs physiologically and are pseudoruminants like camels, their closest living relatives are the cetaceans. Hippopotamuses are the only living members of the family Hippopotamidae.
There are two living species of hippopotamus in two genera; the pygmy hippo, Choeropsis liberiensis of the forests of west Africa, and the common hippo, Hippopotamus amphibius.
Check out Wikipedia for more details!
== Genus and Species ==
* Hippopotamus
** H. amphibius (Common Hippopotamus)