This is a description of the Pygmy Hippopotamus, a small species of hippopotamus native to West Africa. It is much smaller than the common hippopotamus, with adults typically weighing between 200 and 400 kilograms. The Pygmy Hippopotamus is an endangered species
From Wikipedia
The pygmy hippopotamus or pygmy hippo is a small hippopotamid which is native to the forests and swamps of West Africa, primarily in Liberia, with small populations in Sierra Leone, Guinea, and Ivory Coast. It has been extirpated from Nigeria and possibly Guinea-Bissau.