Andy Rouse / African elephant (Loxodonta africana) on plains under stormy sky, Marakele National Park, Waterberg Biosphere, South Africa

Neil Aldridge / White rhinoceros (Ceratotherium simum) with a long horn, Marakele National Park, South Africa.

Pete Oxford / Puff Adder (Bitis arietans) near wetland, Marakele National Park, Limpopo, South Africa

Andy Rouse / African elephant (Loxodonta africana) spraying water from trunk, bathing, Marakele NP, South Africa

Andy Rouse / African elephant (Loxodonta africana) very old bull (75+ years), Marakele NP, South Africa

Staffan Widstrand / African savannah elephant (Loxodonta africana) hidden behind bush, trunk and tail visible, Marataba Private Reserve, Marakele National Park, Limpopo, South Africa. Nature's Best Photography Internatio...

Staffan Widstrand / White rhinoceros (Ceratothorium simum) Marataba Private Reserve, Marakele National Park, Limpopo, South Africa

Staffan Widstrand / White rhinoceros (Ceratothorium simum) trying to impress on a female by showing digging skills. Marataba Private Reserve, Marakele National Park, Limpopo, South Africa

Neil Aldridge / White rhinoceros (Ceratotherium simum) feeds on grass in Marakele National Park, South Africa.

Neil Aldridge / White rhinoceros (Ceratotherium simum) female with a long horn in early morning light, Marakele National Park, South Africa.

Richard Du Toit / Cape vulture (Gyps coprotheres) flying, Marakele National Park, South Africa.

Pete Oxford / Stripe-bellied Sand Snake (Psammophis subtaeniatus) with skink prey, Marakele National Park, Limpopo, South Africa