Guy Edwardes / Mozambique spitting cobra (Naja mossambica) spitting venom. Kruger, South Africa. Controlled conditions.

Guy Edwardes / Leopard (Panthera pardus) climbing tree, silhouetted against the sun, Kruger National Park, South Africa.

Jack Dykinga / Sunrise on Kruger Peak, reflected in Lago O'Higgins with flowering asters emerging from water. Los Mellisos, Cordon Peineta, Aysén Province, Chile.

Sebastian Kennerknecht / African Elephant (Loxodonta africana) bulls fighting, Kruger National Park, South Africa

Ann & Steve Toon / Impala (Aepyceros melampus) with redbilled oxpecker (Buphagus erythrorhynchus), Kruger National Park, South Africa.

Neil Aldridge / Vervet monkey (Chlorocebus pygerythrus) yawning while sitting on a fallen tree in forests, Limpopo River, Kruger National Park, South Africa.

Neil Aldridge / Nile crocodile (Crocodylus niloticus) snatching a Mozambique tilapia (Oreochromis mossambicus) in its jaws, Shingwedzi River, Kruger National Park, South Africa.

Neil Aldridge / Martial eagle (Polemaetus bellicosus) preening itself after a summer rainstorm in the central district, Kruger National Park. South Africa. Vulnerable species.

Neil Aldridge / Two Impalas (Aepyceros melampus) ewes grooming each other in evening light on South Africa's Kruger National Park.

Wim van den Heever / Lion (Panthera leo) male with scars photographed with side-lit spot light at night. Greater Kruger National Park, South Africa, April.

Wim van den Heever / Blue wildebeest (Connochaetes taurinus) herd silhouetted against the rising sun with clouds in the background. Greater Kruger National Park, South Africa

Wim van den Heever / Leopard (Panthera pardus) male looking up at his kill in the tree. Greater Kruger National Park, South Africa, July.

Wim van den Heever / Leopard (Panthera pardus) male rolling on a rock. Greater Kruger National Park, South Africa, July.

Wim van den Heever / Leopard (Panthera pardus) male walking on a rock. Greater Kruger National Park, South Africa, July.

Wim van den Heever / Leopard (Panthera pardus) male walking on a rock. Photographed with a spot light. Greater Kruger National Park, South Africa, July.

Neil Aldridge / Martial eagle (Polemaetus bellicosus) flying, Kruger National Park, South Africa.

Neil Aldridge / Goliath heron (Ardea goliath) standing in the waters, Lake Panic, Kruger National Park, South Africa.

Neil Aldridge / Southern yellow-billed hornbill (Tockus leucomelas) displays while calling in winter, Kruger National Park, South Africa.

Richard Du Toit / Greater kudu (Tregalaphus strepsiceros) covered in Yellowbilled oxpeckers (Buphagus africanus) rear view, Kruger National Park, South Africa.

Richard Du Toit / Red-billed Oxpecker (Buphagus erythrorhynchus) group on Warthog (Phacochoerus africanus), Kruger National Park, South Africa

Richard Du Toit / White Rhinoceros (Ceratotherium simum) covered with mud, Kruger National Park, South Africa

Richard Du Toit / Red-billed Oxpecker (Buphagus erythrorhynchus) group on White Rhinoceros (Ceratotherium simum), Kruger National Park, South Africa

Richard Du Toit / Red-billed Oxpecker (Buphagus erythrorhynchus) group on White Rhinoceros (Ceratotherium simum), Kruger National Park, South Africa

Richard Du Toit / African Elephant (Loxodonta africana) bulls drinking, Shingwedzi River, Kruger National Park, South Africa

Richard Du Toit / Impala (Aepyceros melampus) male with Red-billed Oxpecker (Buphagus erythrorhynchus) pair, Kruger National Park, South Africa

Richard Du Toit / African Lion (Panthera leo) male in thick bush, Kruger National Park, South Africa

Ashish & Shanthi Chandola / Plains zebra (Equus quagga) grooming foal, Kruger National Park, South Africa, July.

Laurent Geslin / Leopard (Panthera pardus) walking on road track, Kruger Park, South Africa.

Laurent Geslin / Leopard walking, portrait {Panthera pardus} Kruger National Park, South Africa

Laurent Geslin / Pride of Lions walking along road followed by tourist vehicles, Kruger National Park

Denis-Huot / Tourists watching and photographing Lioness (Panthera leo) with cubs, Kruger national park, South Africa

Guy Edwardes / Mozambique Spitting Cobra (Naja mossambica) ejecting venom, Kruger, South South Africa, Controlled conditions

Guy Edwardes / Mozambique Spitting Cobra (Naja mossambica) ejecting venom Kruger, South Africa, Controlled conditions.

Neil Aldridge / Common Zebra (Equus quagga) head detail portrait, Kruger National Park, South Africa

Oriol Alamany / Portrait of a South African Parks Ranger whilst supervising a walking safari, Kruger National Park, Transvaal, South Africa, September 2008. No release available.

Oriol Alamany / View of the night sky looking up through trees, with stars and the Milky Way, Mopani, Kruger National Park, Transvaal, South Africa, September.

Oriol Alamany / Close up of skin on the ear and back of an African elephant (Loxodonta africana), Mopani, Kruger National Park, Transvaal, South Africa, September.

Oriol Alamany / African elephant (Loxodonta africana) rear view Kruger National Park, Transvaal, South Africa, September.

Oriol Alamany / African Elephant (Loxodonta africana) browsing, Kruger National Park, Transvaal, South Africa, September.

Oriol Alamany / Male African lion (Panthera leo), Kruger National Park, Transvaal, South Africa, September.

Pete Oxford / African Elephant (Loxodonta africana) baby standing by its mother's legs. Kruger National Park, South Africa, December.

Ann & Steve Toon / Cape buffalo (Syncerus caffer caffer) displaying flehmen posture, to detect scent, Kruger national park, South Africa

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) with jaws wide open, Kruger National Park, South Africa

David Noton / Common zebra (Equus quagga) in the bush, Kruger National Park, South Africa

Patricio Robles Gil / Six young Impala {Aepyceros melampus} running down road in Kruger NP, South Africa

Richard Du Toit / Hammerhead stork {Scopus umbretta} beside the Sabie river, Kruger NP, South Africa

Tony Heald / Wildebeest fighting (Connochaetes taurinus) Kruger NP, S. Africa

Hanne & Jens Eriksen / Pied kingfisher {Ceryle rudis} hovering, Kruger National Park, South Africa.

Dave Watts / Yellow Baboon {Papio cynocephalus} Young riding on mother's back, Kruger National Park, South Africa

Tony Heald / African elephant dust bathing Kruger N P, South Africa

Tony Heald / Hippopotamus at water surface. Kruger NP, South Africa

Richard Du Toit / Gemsbok in grass {Oryx gazella gazella} Kruger NP, South Africa

Richard Du Toit / Red-billed Oxpecker (Buphagus erythrorhynchus) on Impala (Aepyceros melampus) male, Kruger National Park, South Africa

Philippe Clement / Common zebra fleeing from Lions at waterhole Kruger NP South Africa {Equus quagga}

Andrew Parkinson / Three Giraffe {Giraffa camelopardalis} Kruger NP, South Africa

Richard Du Toit / Gemsbok in long grass {Oryx gazella gazella} Kruger NP South Africa semi desert habitat

Tony Heald / Hippopotamus submerged, eyes and ears just above water.Kruger National Park, South Africa

Tony Heald / African Buffalo, Kruger NP (Syncerus caffer) S. Africa. with Red-bellied Oxpecker bird

Richard Du Toit / Male Impala running in Kruger National Park, South Africa. Impala can run at speeds of 50mph!

Richard Du Toit / Impala (Aepyceros melampus) with Red billed oxpecker (Buphagus erythorhynchus) searching for insects, Kruger NP, South Africa

Tony Heald / Spotted hyaena {Crocuta crocuta} mother with cub climbing over it, Kruger NP, South Africa.

Tony Heald / Two African buffalo calves facing one another {Syncerus caffer} Kruger NP, South Africa

Richard Du Toit / Impala with Red billed oxpecker on back, Kruger NP, South Africa

Richard Du Toit / Red billed oxpecker on Buffalo head, Kruger NP South Africa

Richard Du Toit / Red billed oxpecker looking for insects on Common zebra, Kruger NP, South Africa.

Tony Heald / Impala with Oxpeckers. Kruger National Park, South Africa

Richard Du Toit / Gemsbok at dawn in Kruger NP. (Oryx gazella gazella) Africa. South Africa.

Richard Du Toit / African elephant bull being relocated from Kruger NP to Mozambiqe {Loxodonta africana} 2002

Ben Cranke / Lion (Panthera leo) female and cubs, one cubs a leucistic white male. Greater Kruger National Park, South Africa.

Tony Heald / White breasted cormorant (Phalacrocorax lucidus) drying wings. Kruger National Park, South Africa.

Tony Heald / African jacana (Actophilornis africanus) walking of Lily pads. Kruger National Park, South Africa.

Tony Heald / White-backed vulture (Gyps africanus) flying towards camera. Kruger National Park, South Africa.

Tony Heald / White-backed vulture (Gyps africanus) flying towards camera. Kruger National Park, South Africa.

Tony Heald / Yellow-billed stork (Mycteria ibis) preening, standing in water. Kruger National Park, South Africa.

Tony Heald / Nile crocodile (Crocodylus niloticus) basking on rock near river rapids. Kruger National Park, South Africa.

Tony Heald / Spotted hyaena (Crocuta crocuta) cub, portrait. Kruger National Park, South Africa.

Tony Heald / Red-creasted korhaan (Lophotis ruficrista) female. Kruger National Park, South Africa.

Tony Heald / Red-creasted korhaan (Lophotis ruficrista) female. Kruger National Park, South Africa.

Tony Heald / White breasted cormorant (Phalacrocorax lucidus) perched on tree stump with beak open. Kruger National Park, South Africa.

Tony Heald / White breasted cormorant (Phalacrocorax lucidus) perched on tree stump with beak open. Kruger National Park, South Africa.

Tony Heald / Grey heron (Ardea cinerea) standing on Hippopotamus (Hippopotamus Amphibius) Kruger National Park, South Africa.

Tony Heald / African wild dog (Lycaon pictus) Kruger National Park, South Africa.

Tony Heald / Crested guinea fowl (Guttera pucherani) Kruger National Park, South Africa, September.

Tony Heald / Pied kingfisher (Ceryle rudis) with a fish, Kruger National Park, South Africa.

Tony Heald / Yellow-billed stork (Mycteria ibis) Kruger National Park, South Africa September 2014

Tony Heald / Green-backed heron (Butorides striata) Kruger National Park, South Africa.

Tony Heald / Vervet monkey (Cercopithecus aethiops) eating, Kruger National Park South Africa.

Tony Heald / African wild dog (Lycaon pictus) eating an Impala (Aepyceros melampus) Kruger National Park, South Africa.

Neil Aldridge / A sign on a fence of a game reserve bordering South Africa's Kruger National Park warns poachers that the horns of the reserve's rhinos have been treated and are unfit for human consumption. September...

Richard Du Toit / Martial eagle (Polemaetus bellicosus) perched in tree, Kruger National Park, Limpopo Province, South Africa.

Richard Du Toit / Tawny eagle (Aquila rapax) Kruger National Park, Limpopo Province, South Africa

Richard Du Toit / Lappetfaced vulture (Torgos tracheliotus) Kruger National Park, Limpopo Province, South Africa.

Richard Du Toit / Whitebacked Vulture (Gyps africanus) flying, Kruger National Park, Limpopo Province, South Africa.

Richard Du Toit / Whitebacked Vulture (Gyps africanus )in tree, Kruger National Park, Limpopo Province, South Africa.

Richard Du Toit / Southern ground hornbill (Bucorvus leadbeateri) Kruger National Park, Limpopo Province; South Africa.