South African giraffes (Giraffa camelopardalis giraffa), male on left and three females at waterhole, evening light, Etosha National Park, Namibia, Africa

South African giraffes (Giraffa camelopardalis giraffa), group of females and young male in front at waterhole, evening light, Etosha National Park, Namibia, Africa

Eland (Taurotragus oryx), female on the right, male and four calves, on their way to a waterhole, Etosha National Park, Namibia, Africa

Springboks (Antidorcas marsupialis), male and female, standing in water, drinking, Okaukuejo waterhole, Etosha National Park, Namibia, Africa

South African ostrich (Struthio camelus australis), adult male drinking at a waterhole, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa

South African ostrich (Struthio camelus australis), adult male drinking at a waterhole, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa

South African ostrich (Struthio camelus australis), adult male drinking at a waterhole, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa

Schwarznasen-Impalas (Aepyceros melampus petersi), Mannchen und Weibchen am Wasserloch, Etosha-Nationalpark, Namibia, Afrika

Schwarznasenimpalas (Aepyceros melampus petersi), Mannchen und Weibchen beim Trinken am Wasserloch, Etosha-Nationalpark, Namibia, Afrika

Common ostriches (Struthio camelus), males and females drinking at a waterhole, Etosha National Park, Namibia, Africa