Ann & Steve Toon / Cheetah (Acinonyx jubatus) walking, silhouetted at dusk. Zimanga private game reserve, KwaZulu-Natal, South Africa.

Staffan Widstrand / African bush elephant, (Loxodonta africana) two head to head playing, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

Staffan Widstrand / Southern Giraffe (Giraffa camelopardalis) two, with one in foreground, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

Staffan Widstrand / African Spoonbill (Platalea alba) preening, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

Staffan Widstrand / Tawny eagle (Aquila rapax) in flight, about to land, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

Ann & Steve Toon / Aardvark (Orycteropus afer) drinking at night, Zimanga private game reserve, KwaZulu-Natal, South Africa. Medium repro only

David Pattyn / Tayra (Eira barbara) climbing in a tree in rainforest habitat with fern covered trees, Bellavista private reserve, Mindo cloud forest area, Ecuador, July

David Pattyn / Tayra (Eira barbara) climbing in a tree in rainforest habitat with fern covered trees, Bellavista private reserve, Mindo cloud forest area, Ecuador, July

David Pattyn / Plate-billed Mountain-Toucan (Andigena laminirostris), Bellavista private reserve, Mindo cloud forest, Pichincha, Ecuador, July

Lorraine Bennery / Fossa (Cryptoprocta ferox) resting, Kirindy Forest Private Reserve, Madagascar,Vulnerable, endemic.

Ann & Steve Toon / Spotted eagle owl (Bubo africanus) subadult at nigh by water, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Ann & Steve Toon / Lion (Panthera leo) male snarling at night, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Ann & Steve Toon / Giraffe (Giraffa camelopardalis) drinking at night, Zimanga private game reserve, KwaZulu-Natal, South Africa August

Suzi Eszterhas / African Lion (Panthera leo) young male feeding on Cape Buffalo (Syncerus caffer) prey, Sabi Sands Private Game Reserve, South Africa

Suzi Eszterhas / Leopard (Panthera pardus) female, Sabi Sands Private Game Reserve, South Africa

Suzi Eszterhas / African Elephant (Loxodonta africana) in defensive posture towards safari vehicle, Sabi Sands Private Game Reserve, South Africa

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) at night, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Sergey Gorshkov / Leopard (Panthera pardus) walking beside waterhole, reflected in the water at dusk. Londolozi Private Game Reserve, Sabi Sands Game Reserve, South Africa.

Sebastian Kennerknecht / South African Giraffe (Giraffa giraffa giraffa) juvenile at sunset, Greater Makalali Private Game Reserve, South Africa

Sebastian Kennerknecht / Leopard (Panthera pardus) female feeding on sub-adult male Impala (Aepyceros melampus) prey in tree, Greater Makalali Private Game Reserve, South Africa

Ann & Steve Toon / White rhino (Ceratotherium simum) at waterhole at night, Zimanga Private Game Reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / White rhino (Ceratotherium simum) at waterhole drinking at night, Zimanga Private Game Reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Elephants (Loxodonta africana) at waterhole drinking at night. One spraying water from trunk, Zimanga Private Game Reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Elephants (Loxodonta africana) at waterhole drinking at night, Zimanga Private Game Reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Pied crows (Corvus albus) perched on horns of antelope skull. Zimanga Private Game Reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / African fish eagle (Haliaeetus vocifer) flying, Zimanga Private Game Reserve, KwaZulu-Natal, South Africa.

David Pattyn / Common brown lemur (Eulemur fulvus) jumping amongst branches, Anjajavy Private Reserve, north west Madagascar.

David Pattyn / Common brown lemur (Eulemur fulvus) portrait, Anjajavy Private Reserve, north west Madagascar.

Ann & Steve Toon / Egyptian goose (Alopochen aegyptiaca) with goslings, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Ann & Steve Toon / Common wildebeest (Connochaetes taurinus) with reflection at waterhole, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Ann & Steve Toon / Cape buffalo (Syncerus caffer) at waterhole at night with plains zebra (Equus quagga), Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Ann & Steve Toon / Cape buffalo (Syncerus caffer) drinking at waterhole at night, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Ann & Steve Toon / Cape buffalo (Syncerus caffer) drinking at waterhole at night, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Ann & Steve Toon / Plains zebra (Equus quagga) drinking at waterhole at night, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Chien Lee / Verreaux's Sifaka (Propithecus verreauxi), Berenty Private Reserve, Amboasary, Madagascar

Sergey Gorshkov / Lionesses (Panthera leo) trying to bring down African buffalo (Syncerus caffer) Londolozi Private Game Reserve, Sabi Sands Game Reserve, South Africa. Sequence 1 of 5

Sergey Gorshkov / Lionesses (Panthera leo) trying to bring down African buffalo (Syncerus caffer) Londolozi Private Game Reserve, Sabi Sands Game Reserve, South Africa. Sequence 2 of 5

Sergey Gorshkov / Lionesses (Panthera leo) trying to bring down African buffalo (Syncerus caffer) Londolozi Private Game Reserve, Sabi Sands Game Reserve, South Africa. Sequence 3 of 5

Sergey Gorshkov / Lioness (Panthera leo) trying to bring down African buffalo (Syncerus caffer) Londolozi Private Game Reserve, Sabi Sands Game Reserve, South Africa. Sequence 4 of 5

Sergey Gorshkov / Lionesses (Panthera leo) trying to bring down African buffalo (Syncerus caffer) Londolozi Private Game Reserve, Sabi Sand Game Reserve, South Africa. Sequence 5 of 5

Sergey Gorshkov / Leopard (Panthera pardus) female fighting off male after he tries to mate with her. Londolozi Private Game Reserve, Sabi Sand Game Reserve, South Africa.

Wim van den Heever / Egytian Goose (Alopochen aegyptiaca) rear view bathing, sings spread, Zimanga Private Game Reserves, South Africa

Wim van den Heever / African Wild dogs or Cape hunting dogs (Lycaon pictus) at close range taken from ground level, Zimanga Private Game Reserve, South Africa.

Chien Lee / Ring-tailed Lemur (Lemur catta) mother carrying young, Berenty Private Reserve, Madagascar

Chien Lee / Ring-tailed Lemur (Lemur catta) mother carrying young, Berenty Private Reserve, Madagascar

Chien Lee / Verreaux's Sifaka (Propithecus verreauxi) mother and young, Berenty Private Reserve, Madagascar

Ann & Steve Toon / Banded mongoose (Mungos mungo) drinking, Zimanga Private Game Reserve, KwaZulu-Natal, South Africa, May

Suzi Eszterhas / Verreaux's Sifaka (Propithecus verreauxi) leaping, Berenty Private Reserve, Madagascar

Suzi Eszterhas / Verreaux's Sifaka (Propithecus verreauxi) leaping, Berenty Private Reserve, Madagascar

Suzi Eszterhas / Ring tailed lemur (Lemur catta) mother and very young (1-2 week) baby. Berenty Private Reserve, Madagascar.

Suzi Eszterhas / Ring tailed lemur (Lemur catta) mothers with two-week babies. Berenty Private Reserve, Madagascar

Suzi Eszterhas / Ring tailed lemurs (Lemur catta) feeding on Spiny forest tree (Didierea trollii).Berenty Private Reserve, Madagascar

Pete Oxford / White rhinoceros calf (Ceratotherium simum) Great Karoo. Private Reserve, South Africa. Endangered species

Enrique Lopez-Tapia / Crested drongo (Dicrurus forficatus) rear view, Berenty Reserve, Madagascar.

Inaki Relanzon / Ring-tailed lemur (Lemur catta) Anja Private Reserve, near Ambalavao, Central Madagascar.

Suzi Eszterhas / Ring-tailed Lemur (Lemur catta) mother drinking with baby on back, Berenty Private Reserve, Madagascar

Suzi Eszterhas / Ring-tailed Lemur (Lemur catta) mother and week-old twins, Berenty Private Reserve, Madagascar

Cyril Ruoso / Verreaux's Sifaka (Propithecus verreauxi) trio huddling, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) mother with baby clinging to her back, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) eating Opuntia (Opuntia sp) cactus, introduced from South America, it became a very important food subsistance for Lemurs, cattle and even humans, vulnerable, Berenty P...

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) resting on a tree branch, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) group huddles for warmth as they sleep, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Verreaux's Sifaka (Propithecus verreauxi) jumping across open ground, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) male warming himself in the sun, vulnerable, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) portrait, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) baby riding on mother's back, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) troop walking down dirt road, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) eating a flower, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) calling, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Verreaux's Sifaka (Propithecus verreauxi) portrait, vulnerable, Berenty Private Reserve, Madagascar

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) two adults and a baby, vulnerable, Berenty Private Reserve, Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby on mother's back, portrait, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby on mother's back, portrait, Berenty Private Reserve, southern Madagascar

Tui De Roy / Violet tailed sylph (Aglaiocercus coelestis) Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Tui De Roy / White bellied woodstar (Chaetocercus mulsant) three hovering around red flowers, Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Luiz Claudio Marigo / Wied's black tufted-ear marmoset (Callithrix kuhli) clinging to branch in mountainous Atlantic Rainforest of Serra Bonita Natural Private Heritage Reserve (RPPN Serra Bonita), municipality of Camacan,...

Nick Garbutt / Verreaux's sifaka lemur (Propithecus verreauxi) hanging in relaxed posture from a branch in the canopy, Berenty Private Reserve, southern Madagascar.

Nick Garbutt / Young Ring-tailed lemur (Lemur catta) 6-8 weeks, clinging to mother, Berenty Private Reserve, southern Madagascar, November

Nick Garbutt / Young Ring-tailed lemur (Lemur catta) 6-8 weeks, clinging to mother, Berenty Private Reserve, southern Madagascar, November

Ann & Steve Toon / Cheetah (Aconinyx jubatus) female in scrub habitat, Samara private game reserve, Karoo, South Africa, January 2011

Juergen Freund / Aerial view of coral cays and white sand bars surrounding Bugsuk Island, Farm 1 of Jewelmer pearl farm. This private island has been highly protected since the 1970's and is in pristine environmental...

Juergen Freund / Aerial view of coral cays and white sand bars surrounding Bugsuk Island, Farm 1 of Jewelmer pearl farm. This private island has been highly protected since the 1970's and is in pristine environmental...

Juergen Freund / Aerial view of private tropical island surrounded by a white sandy beach and coral reefs, note helipad on end of pier, Palawan, Philippines, May 2009.

Inaki Relanzon / Madagascar scops owl (Otus rutilus) perched, looking backwards, Berenty Private Reserve, South Madagascar.

Christophe Courteau / Old male African lion (Panthera leo) portrait, Sabi Sand Game Reserve, South Africa, June

Christophe Courteau / Large adult male Leopard (Panthera pardus) walking through the bush at night, Sabi Sand Private Game Reserve, South Africa, June

Christophe Courteau / Large adult male Leopard (Panthera pardus) walking through the bush at night, Sabi Sand Private Game Reserve, South Africa, June

Nick Garbutt / Ring-tailed Lemur (Lemur catta) sun basking at dawn. Berenty Private Reserve, southern Madagascar.

Nick Garbutt / Three Ring-tailed Lemurs (Lemur catta) sun basking at dawn. Berenty Private Reserve, southern Madagascar. (digitally stitched image)

Luiz Claudio Marigo / Brazil nut tree (Bertholletia excelsa) with an 8m circumference and 45m height, in the upland Amazon Rainforest at Cristalino Natural Private Patrimony Reserve, Alta Floresta, Mato Grosso State, Brazi...

Andy Rouse / Verreaux's sifaka (Propithecus verreauxi) running carrying baby, Berenty Private Reserve, Madagascar

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October