Jen Guyton / Aerial view of Waterbuck (Kobus ellipsiprymnus) in Gorongosa National Park floodplain, Mozambique.

Jen Guyton / Aerial view of the Gorongosa National Park floodplain with Waterbuck (Kobus ellipsiprymnus), Mozambique.

Tony Heald / Waterbuck (Kobus ellipsiprymnus) female. South Luangwa NP. Zambia.

Tony Heald / Waterbuck (Kobus ellipsiprymnus) female, South Luangwa NP. Zambia.

Christophe Courteau / Waterbuck (Kobus ellipsiprymnus) female with calf, Sabi Sand Game Reserve. South Africa.

Richard Du Toit / Waterbuck (Kobus ellipsiprymnus) males in Pompom Weed (Campuloclinium macrocephalum) field, Rietvlei Nature Reserve, South Africa

Richard Du Toit / Waterbuck (Kobus ellipsiprymnus) male in Pompom Weed (Campuloclinium macrocephalum) field, Rietvlei Nature Reserve, South Africa

Yva Momatiuk & John Eastcott / Waterbuck (Kobus ellipsiprymnus) sub-adults, Mokala National Park, South Africa

Eric Baccega / Defassa waterbuck (Kobus ellipsiprymnus defassa) males in savanna. Queen Elizabeth National Park, Uganda, Africa

Eric Baccega / Defassa waterbuck (Kobus ellipsiprymnus defassa) males in savanna. Queen Elizabeth National Park, Uganda, Africa

Staffan Widstrand / Common waterbuck (Kobus ellipsiprymnus) St Lucia Wetlands National Park, South Africa.

Staffan Widstrand / Common waterbuck (Kobus ellipsiprymnus) running, St Lucia Wetlands National Park, South Africa