The waterbuck (Kobus ellipsiprymnus) is a large antelope found widely in sub-Saharan Africa. Waterbuck inhabit scrub and savanna areas along rivers, lakes and valleys. Due to their requirement for grasslands as well as water, the waterbuck have a sparse ecotone distribution. The IUCN lists the waterbuck as being of Least Concern.
Information source: http://www.wikipedia.org/wiki/Waterbuck