Juan Carlos Munoz / Herd of Impala (Aepyceros melampus) silhouetted at sunset, Ngorongoro Conservation Area, Tanzania.

Denis-Huot,Denis-Huot / Impala (Aepyceros melampus) herd in a storm, Masai-Mara Game Reserve, Kenya

Tony Heald / Black faced Impala (Aepyceros melamis petersi) female jumping, Etosha National Park, Namibia

Tony Heald / Black faced Impala (Aepyceros melamis petersi) female jumping, Etosha National Park, Namibia

Sharon Heald / Black-faced Impala (Aepyceros melamis petersi) male standing in a field of Devil's Thorn flowers (Tribulus terrestris). Etosha National Park, Namibia, January.

Tony Heald / Black face impala portrait {Aepyceros melampus petersi} Etosha NP, Namibia

Charlie Summers / Impala (Aepyceros melampus) juvenile male leaping, Selous game Reserve, Tanzania.

Denis-Huot / Impala (Aepyceros melampus) and vulturine guineafowl (Acryllium vulturinum) looking for water in a dry riverbed, Samburu Game Reserve, Kenya. September.

Denis-Huot / Young male impala (Aepyceros melampus) stuck neck-deep in mud, Masai-Mara game reserve, Kenya. March.

Denis-Huot / Young impalas (Aepyceros melampus) playing after rain, Masai-Mara Game Reserve, Kenya. January.

Denis-Huot / Male impala (Aepyceros melampus) at sunrise, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Cheetah (Acinonyx jubatus) female carrying impala, Masai Mara Game Reserve, Kenya, September.