Found in the rivers and lakes of Uganda, Sudan, Somalia, Kenya, northern democratic Republic of the Congo and Ethiopia, west through Ghana to Gambia and also in Southern Africa (Botswana, Republic of South Africa, Zimbabwe, Zambia). Diet: feeding mostly on grass, leaves and twigs. During the day, it spends long periods of time immersed in water and wallowing in mud to keep cool. Usually gives birth to a single calf after a gestation period of 210 - 255 days.