Ann & Steve Toon / Elephant trunk (Loxodonta africana), Etosha national park, Namibia, May

Laurent Geslin / African elephant baby with herd {Loxodonta africana} Etosha NP, Namibia

Laurent Geslin / Vehicles tracks in sand, Etosha NP, Namibia

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

Tony Heald / African Lion (Panthera leo) young male at sunrise, Etosha National Park, Namibia

Sharon Heald / Common zebra (Equus quagga) foal in dusty sunset, Etosha National Park, Namibia Photo by Sharon Heald

Tony Heald / Black rhinoceros (Diceros bicornis) Etosha National Park, Namibia October

Tony Heald / Black rhinoceros (Diceros bicornis) male urine testing, flehmen reaction, Etosha National Park, Namibia October

Tony Heald / African elephant (Loxodonta africana) at sunset by water, Etosha National Park, Namibia October

Tony Heald / African lion (Panthera leo) young male backlit at sunrise, Etosha National Park, Namibia October

Tony Heald / Eland (Taurotragus oryx) males locking horns and fighting. Devil's Thorn flowers (Tribulus terrestris) cover the ground. Etosha National Park, Namibia, January.