Konrad Wothe / Sand cat (Felis margarita) Libya captive

Edwin Giesbers / Rothschild's giraffe (Giraffa camelopardalis rothschildi) two curious giraffes looking down, captive

Richard Du Toit / Giraffe legs (Giraffa camelopardalis), Zululand, South Africa, November

Thomas Rabeil / Portrait of a Spurred Tortoise (Geochelone sulcata). Termit Massif, Niger, Africa.

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

Alex Hyde / Close up of coiled tail of Parson's chameleon {Calumma parsonii} showing scales and strong green colouration. Tropical rainforest, Masoala Peninsula National Park, north east Madagascar.

TJ Rich / Mountain gorilla {Gorilla berengei berengei} lying down portrait, Parc des Volcans NP, Rwanda

Peter Blackwell / Back view of Crested porcupine {Hystrix cristata} walking away, Central Kenya

Richard Du Toit / Crested Guineafowl (Guttera pucherani) partially hidden by vegetation, Limpopo Province, South Africa, October

Richard Du Toit / Ostrich (Struthio camelus) pair mating, Gauteng Province, Rietvlei Nature Reserve, South Africa, November

Konrad Wothe / Dromedary camel near calf (Camelus dromedarius) Libya, Sahara, North Africa, December 2007

Konrad Wothe / Photographer with Dromedary camel (Camelus dromedarius), Libya, Sahara, November 2007

Roland Seitre / Peter's Angolan Colobus Monkey (Colobus angolensis palliatus) in tree, Ukunda, Kenya.

Roland Seitre / Portrait of Peter's Angolan Colobus Monkey (Colobus angolensis palliatus) with closed eyes. Ukunda, Kenya.

Roland Seitre / Peter's Angolan Colobus Monkeys (Colobus angolensis palliatus). Ukunda, Kenya.

Roland Seitre / Portrait of Peter's Angolan Colobus Monkey (Colobus angolensis palliatus). Ukunda, Kenya.

Roland Seitre / Welcome sign at Diani Beach, illustrated with painting of a Colobus Monkey. Ukunda, Kenya.

Roland Seitre / Colobus Trust, Primate Conservation Research and Rescue centre, man standing under model of monkey tree bridge, constructed to allow monkeys to cross roads safely. Ukunda, Kenya, Africa.

Roland Seitre / Road sign warning road-users to slow down in areas where Colobus Monkeys live. Ukunda, Diani Beach, Kenya.

Roland Seitre / Primate Conservation Research and Rescue ranger under a completed monkey bridge, so Colobus Monkeys can cross the road safely. Ukunda, Diani Beach, Kenya.

Roland Seitre / Primate Conservation Research and Rescue rangers constructing a rope bridge, so Colobus Monkeys can cross the road safely. Ukunda, Diani Beach, Kenya.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) in tree. Kenya, Africa.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) climbing along beach fence. Kenya, Africa.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) picking leaves. Kenya, Africa.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) baby playing with mother in canopy. Kenya, Africa.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) portrait among branches. Kenya, Africa.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) opening seed case with its teeth. Kenya, Africa.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) eating hibiscus flower. Kenya, Africa.

Roland Seitre / Peter's Angola Colobus Monkey (Colobus angolensis palliatus) among hibiscus flowers with pollen on its face. Kenya, Africa.

Konrad Wothe / Chimpanzees (Pan troglodytes) old males, Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Chimpanzees (Pan troglodytes) aggressive males fight against their alpha male Pim, Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Chimpanzees (Pan troglodytes) aggressive males fight against their alpha male Pim, Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Chimpanzees (Pan troglodytes) aggressive males fight against their alpha male Pim, Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Chimpanzee relaxing (Pan troglodytes) Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Male Chimpanzees fighting (Pan troglodytes) heavily injured alpha male 'Pim', Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Male Chimpanzees fighting, (Pan troglodytes) Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Chimpanzee (Pan troglodytes) Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / Chimpanzee (Pan troglodytes) male sleeping on ground, Mahale Mountains National Park, Tanzania, East Africa

Richard Du Toit / Springbok herd (Antidorcas marsupialis) Kalahari, South Africa, January

Richard Du Toit / Cape francolin (Pternistis capensis), Western Cape, South Africa, August

Richard Du Toit / Nyala ram (Tragelaphus angasi) lateral display, Zululand, South Africa, October

Richard Du Toit / Crested guineafowl (Guttera pucherani), Zululand, South Africa, October

Richard Du Toit / Steenbok ram (Raphicerus campestris) Kalahari, Northern Cape, South Africa, January

Richard Du Toit / Yellow mongoose (Cynictis penicillata), Kalahari, Northern Cape, South Africa, January

Richard Du Toit / Springbok herd (Antidorcas marsupialis) Kalahari, South Africa, January

Richard Du Toit / Springbok rams fighting (Antidorcas marsupialis), Kalahari, South Africa, January

Richard Du Toit / Very old male Lion (Panthera leo) very thin showing ribs, Kalahari, Northern Cape, South Africa, January

Richard Du Toit / Cape ground squirrels (Xerus inauris) feeding on flowering plants, Kalahari, Northern Cape, South Africa, January

Jeff Rotman / Lined butterflyfish (Chaetodon lineolatus) and Striped butterflyfish (Chaetodon fasciatus) Sinai Peninsula, Red Sea, Egypt

Jeff Rotman / Lined butterflyfish (Chaetodon lineolatus) with mouth open, Sinai Peninsula, Red Sea, Egypt

Tim Laman / Southern Ground hornbill (Bucorvus leadbeateri / cafer) male in the grass. Kruger National Park, South Africa.

Tim Laman / Southern yellow-billed hornbill (Tockus leucomelas) perched on rock, with Impala in background. Kruger National Park, South Africa.

Tim Laman / Southern Ground hornbill (Bucorvus leadbeateri / cafer) dust bathing to clean feathers of parasites, Kruger National Park, South Africa.

Tim Laman / Southern Ground hornbill (Bucorvus leadbeateri / cafer) chick in nest hollow in Baobab tree. Kruger National Park, South Africa.

Peter Blackwell / Secretary birds {Sagittarius serpentarius} pair landing on bush in silhouette at sunset, Masai Mara GR, Kenya

Inaki Relanzon / Black lemur (Eulemur / Lemur macaco macaco) female, Nosy Komba, North Madagascar, IUCN vulnerable

TJ Rich / Mountain gorilla {Gorilla berengei berengei} cleaning / biting nails, Parc des Volcans NP, Rwanda

TJ Rich / Mountain gorilla {Gorilla berengei berengei} mother kissing hand of week-old baby, Parc des Volcans NP, Rwanda

Peter Blackwell / Bat eared fox {Otocyon megalotis} Ngorongoro crater, Tanzania

Richard Du Toit / African elephant herd {Loxodonta africana} Moremi wildlife reserve, Botswana

Peter Blackwell / Rear view of Serval's ears in grass (Felis serval) Masai Mara NR, Kenya

Barry Mansell / African bullfrog portrait (Pyxicephalus adspersus) Africa, captive

Richard Du Toit / Leopard mother with 2-month cub Malamala GR, S Africa (Panthera pardus)

Peter Blackwell / Chimpanzee male {Pan troglodytes} Sweetwaters Sanctuary, Kenya

Richard Du Toit / Nguni cattle on road {Bos taurus} near Mkuzi GR, South Africa

Richard Du Toit / South African hedgehog {Atelerix frontalis}, South Africa

John Cancalosi / Small toothed rock hyrax {Heterohyrax brucei} Zimbabwe

Peter Blackwell / Bush hyrax {Dendrohyrax sp} Masai Mara NR, Kenya

Peter Blackwell / Bush hyrax {Dendrohyrax sp.} Masai Mara NR, Kenya

Richard Du Toit / Pack of African wild dogs {Lycaon pictus} on river bank, Sand River, Mala Mala GR, South Africa

Richard Du Toit / Juvenile Black backed jackal {Canis mesomelas} peering out of den, Mala Mala GR, Bushveld, South Africa

Peter Blackwell / Lion cub at sunset (Panthera leo) Masia Mara GR, Kenya

Richard Du Toit / Lioness {Panthera leo} carrying young cub, MalaMala GR, South Africa

Richard Du Toit / Lioness yawning (Panthera leo) Mala Mala GR, South Africa

Richard Du Toit / Sub-adult Leopard (Panthera pardus) MalaMala GR, South Africa

Richard Du Toit / African wild dogs {Lycaon pictus} Mala Mala GR, South Africa

Peter Blackwell / Male african elephants sparring {Loxodonta africana} Masai Mara NP, East Africa

Richard Du Toit / African elephant {Loxodonta africana}, fondling bones of dead elephant, South Africa

Peter Blackwell / Family of Maasai giraffe on open plains {Giraffa camelopardalis}, Masai Mara Game Reserve, Kenya, East Africa

Nick Garbutt / Giant kingfisher {Megaceryle maxima} male, Shire River, Liwonde National Park, Malawi

Nick Garbutt / Adult Boehm's bee-eater {Merops boehmi} Shire River, Liwonde National Park, Malawi

Richard Du Toit / Cheetah cub portrait {Acinonyx jubatus} Phinda RR, South Africa

Richard Du Toit / Warthog (Phacochoerus aethiopicus) female with piglets, MalaMala GR, South Africa

Richard Du Toit / Red billed francolin {Pternistis adspersus} on termite mound. Botswana Moremi W

Richard Du Toit / Hottentot teal {Anas punctata / hottentota} Savute-Chobe NP, Botswana

Richard Du Toit / Warthogs {Phacochoerus aethiopicus} feeding on fresh elephant dung with flock of Ring necked doves in the foreground, Botswana

Bernard Castelein / Von Hohnel's chameleon {Chameleo hohnelii} Mt Kenya NP, Kenya

Richard Du Toit / Impala (Aepyceros melampus) running with two young, Savute-Chobe NP, Botswana

Peter Blackwell / Alpine / Moorland chat {Pinarochroa sordida ernesti} Mount Kenya, Kenya

Peter Blackwell / Lilac breasted roller {Coracias caudatus} perched, Masai Mara GR, Kenya

Bernard Castelein / Eastern white pelican (Pelecanus onocrotalus) Lake Baringo, Kenya

Peter Blackwell / Spotted hyaena (Crocuta crocuta) mating behaviour, Kenya, Sequence 1 of 4

Richard Du Toit / Hippo portrait {Hippopotamus amphibius} Chobe NP, Botswana, Southern Africa

Richard Du Toit / Hippo {H. amphibius} submerged under Water hyacinth + Jacana/ lilytrotter, Kruger NP, South Africa

Richard Du Toit / Spotted hyaena (Crocuta crocuta) female carrying pup in mouth, Sabi-sands GR, South Africa

Richard Du Toit / Hippopotamus crossing warning sign beside road. Nelspruit, South Africa