Denis-Huot / African Elephant (Loxodonta africana) baby playing with its mother. Masai-Mara Game Reserve, Kenya.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years crossing a river, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic

Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...

Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...

Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...

Steven Kazlowski / Two curious young Polar bears (Ursus maritimus), Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011

Andy Rouse / Polar Bear (Ursus maritimus) portrait in sea-ice landscape. Wide angle / fish-eye shot. Svalbard, Norway, September.

XI ZHINONG / Phayre's leaf monkey (Trachypithecus phayrei), wild animal in tree, Endangered species, Gaoligong Mountains of Yunnan Province, China.

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico

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

Fergus Gill / 2020VISION / Male Ringed plover (Charadrius hiaticula) on beach, Outer Hebrides, Scotland, UK, June. Did you know? When Plovers sense danger a parent bird will pretend to have a broken wing to distract predators.

Ole Jorgen Liodden / Fiordland crested penguin (Eudyptes pachyrhynchus) in foamy waves, Vulnerable species, Westland, New Zealand, November

Kevin Schafer / Giant Armadillo (Priodontes maximus), adult female standing and sniffing air. Pantanal, Brazil, October.

Staffan Widstrand / Polar Bear (Ursus maritimus) mobbed by possibly a Skua, Svalbard, Norway, July

Staffan Widstrand / Polar Bear (Ursus maritimus) head portrait with blue tongue out, Svalbard, Norway

Anup Shah / Celebes / Black crested macaque (Macaca nigra) sub-adult male yawning, Tangkoko National Park, Sulawesi, Indonesia.

Ann & Steve Toon / Black rhinoceros (Diceros bicornis) on savanna, Lewa Wildlife Conservancy, Laikipia, Kenya

Ann & Steve Toon / African elephants (Loxodonta africana) large family group on migration, Amboseli National Park, Kenya

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) sub-adult male head portrait, Tangkoko National Park, Sulawesi, Indonesia.

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) mature male head and shoulders portrait, Tangkoko National Park, Sulawesi, Indonesia.

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) sub-adult male head portrait, Tangkoko National Park, Sulawesi, Indonesia.

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) baby less than 1 month old in mothers arms, Tangkoko National Park, Sulawesi, Indonesia.

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) female head and shoulders standing portrait, Tangkoko National Park, Sulawesi, Indonesia.

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) two individuals greeting, Tangkoko National Park, Sulawesi, Indonesia.

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) female with suckling infant aged 9-12 months, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) juvenile sitting on a tree, wet from playing in the river, wide angle perspective, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) 'Alpha' baby female aged about 1 month hanging upside down in a tree, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) two juveniles approaching with curiosity, one grimacing Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) group up close, watching with curiosity, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) sub-adult male sitting on a beach, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) sub-adult male resting on a fallen tree, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) female sitting in a tree with her baby aged less than 1 month, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) sub-adult male trying to break into bamboo to feed on ant eggs from a nest, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) silhouette of juvenile sitting in a tree at coast, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) sub-adult male head and shoulders portrait, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) group watching with curiosity, Tangkoko National Park, Sulawesi, Indonesia

Denis-Huot / African Elephant (Loxodonta africana) standing on hind legs to reach leaves high in tree. Masai-Mara Game Reserve, Kenya.

Denis-Huot / African Elephant (Loxodonta africana) baby elephant its mother's trunk Amboseli National Park, Kenya.

Denis-Huot / African Elephant (Loxodonta africana) tusks being burnt after confiscation from poachers. Nairobi National Park, Kenya, 1990.

Nuno Sa / Whale Shark (Rhincodon typus) passing by baitball, Santa Maria Island, Azores, Portugal, September 2008.

Tony Heald / African Wild Dog (Lycaon pictus) pack passing infront of large African elephant (Loxodonta africana) Mana Pools National Park, Zimbabwe October 2012

Anup Shah / Western chimpanzee (Pan troglodytes verus) young male 'Jeje' aged 13 years walking through a forest clearing, Bossou Forest, Mont Nimba, Guinea. December 2010.

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years using rocks as tools to crack open palm oil nuts, Bossou Forest, Mont Nimba, Guinea. December 2010.

Anup Shah / Western chimpanzee (Pan troglodytes verus) young male 'Jeje' aged 13 years using a tool made from a stem for 'Algae Scooping', Bossou Forest, Mont Nimba, Guinea. December 2010.

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years feeding on fern leaves, Bossou Forest, Mont Nimba, Guinea. December 2010.

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years feeding on fern leaves, Bossou Forest, Mont Nimba, Guinea. December 2010.

Anup Shah / Western chimpanzees female 'Jire' aged 52 and her daughter 'Joya' aged 6 years and son 'Jeje' aged 13 years feeding on palm oil fruits stored by villagers, Bossou Forest, Mont Nimba, Guinea. December...

Anup Shah / Western chimpanzee (Pan troglodytes verus) young male 'Jeje' aged 13 years walking through the forest, wide angle perspective, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) young male 'Jeje' aged 13 years being groomed by young male 'Peley' aged 12 years, Bossou Forest, Mont Nimba, Guinea. January 2011.

Staffan Widstrand / African elephant (Loxodonta africana) male tusker walking down road photographed from vehicle, iMfolozi National Park, South Africa

Staffan Widstrand / Polar Bear (Ursus maritimus) reflection in water, Svalbard, Norway

Staffan Widstrand / Polar Bear (Ursus maritimus) head portrait with blue tongue sticking out, Svalbard, Norway

Anup Shah / Western chimpanzee (Pan troglodytes verus) female 'Fanle' aged 13 years and protecting her infant son 'Flanle' aged 3 years from an aggressive male, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) young male 'Peley' aged 12 years making 'Pant hoot' vocalisation, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) males 'Jeje' aged 13 years, 'Tua' aged 53 years and 'Peley' aged 12 years grooming, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) female 'Fana' aged 54 years playing with her infant grandson 'Flanle' aged 3 years, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) infant male 'Flanle' aged 3 years acting aggressively towards alpha male 'Foaf' aged 30 years, Bossou Forest, Mont Nimba, Guinea. January 2011. Sequence 4...

Anup Shah / Western chimpanzee (Pan troglodytes verus) infant male 'Flanle' aged 3 years wearing on his head a 'head support' used by villagers to carry heavy items made from palm leaves being chased by his mot...

Anup Shah / Western chimpanzee (Pan troglodytes verus) young male 'Peley' aged 12 years displaying, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years sitting in the trees, Bossou Forest, Mont Nimba, Guinea. December 2010.

Fiona Rogers / Western chimpazee (Pan troglodytes verus) female 'Fanle' aged 13 years with suckling infant male 'Flanle' aged 3 years, Bossou Forest, Mont Nimba, Guinea. January 2011.

Doc White / Blue Whales (Balaenoptera musculus) throat inflated, filter feeding at sea surface. California, USA. Sequence 1 of 2.

XI ZHINONG / Tibetan antelope (Pantholops hodgsonii) herd in the early morning with a low moon, Kekexili, Qinghai, Tibetan plateau, China, January

Alex Mustard / Two Whale sharks (Rhincodon typus) feeding on fish eggs at the surface, Isla Mujeres, Quintana Roo, Yucatan Peninsula, Mexico, Caribbean Sea.

Alex Hyde / Magpie Moth caterpillar (Abraxas grossulariata) showing warning colouration, photographed on a white background. Peak District National Park, Derbyshire, UK. June.

Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) chasing Thick-billed Raven (Corvus crassirostris) in flight. Simien National Park, Ethiopia, Africa.

Jabruson / African Forest elephant (Loxodonta africana cyclotis) bull at edge of Dzanga Bai in early evening, Dzanga-Ndoki National Park, Central African Republic

Jabruson / African Forest elephant (Loxodonta africana cyclotis) subadult scenting air, blurred motion at dusk, Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic

XI ZHINONG / Tibetan antelope (Pantholops hodgsonii) males on snowy ground, Kekexili, Qinghai, Tibetan Plateau, China, November

XI ZHINONG / Tibetan antelope (Pantholops hodgsonii) male, Kekexili, Qinghai, Tibetan Plateau, China, November

Mark MacEwen / Green Sea Turtle (Chelonia mydas) returning to sea after Egg laying, Raine Island, Australia. Raine Island is the largest and most important green sea turtle nesting area in the world, with over 14,00...

Markus Varesvuo / Great Bustards (Otis tarda) males, Spain, April . Fascinating birds bookplate.

Enrique Lopez-Tapia / Zanzibar red colobus (Piliocolobus kirkii) in tree, Jozany Forest, Zanzibar, Tanzania. Highly endangered. Did you know? Zanzibar red colobuses are called 'Poison monkeys' by the local people on the is...

Mark Carwardine / Sumatran rhino (Dicerorhinus sumatrensis) walking in forest, from low-angle. Captive-Sumatran Rhino Sanctuary, within Way Kambas National Park, Lampung Province, southern Sumatra, Indonesia

Mark Carwardine / Looking down on Sumatran rhino (Dicerorhinus sumatrensis) walking through stream. Captive-Sumatran Rhino Sanctuary, within Way Kambas National Park, Lampung Province, southern Sumatra, Indonesia

Mark Carwardine / Sumatran rhino (Dicerorhinus sumatrensis) browsing on forest vegetation. Captive-Sumatran Rhino Sanctuary, within Way Kambas National Park, Lampung Province, southern Sumatra, Indonesia

Mark Carwardine / Close up of the eye of a Sumatran rhino (Dicerorhinus sumatrensis) Captive-Sumatran Rhino Sanctuary, within Way Kambas National Park, Lampung Province, southern Sumatra, Indonesia

Mark Carwardine / Head portrait of Sumatran rhino (Dicerorhinus sumatrensis) Captive-Sumatran Rhino Sanctuary, within Way Kambas National Park, Lampung Province, southern Sumatra, Indonesia

Mark Carwardine / Sumatran rhino (Dicerorhinus sumatrensis) browsing on forest vegetation. Captive-Sumatran Rhino Sanctuary, within Way Kambas National Park, Lampung Province, southern Sumatra, Indonesia

Mark Carwardine / Close up of Sumatran rhino (Dicerorhinus sumatrensis) browsing on forest vegetation. Captive-Sumatran Rhino Sanctuary, within Way Kambas National Park, Lampung Province, southern Sumatra, Indonesia

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) grazing, Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) wild animal with ranger providing round-the-clock protection. Ol Pejeta Conservancy, Kenya, 2009. Threatened species, Model released

Mark Carwardine / Kakapo (Strigops habroptila) wild male known as Sirocco walking along the ground, night parrot, Codfish Island, off Stewart Island, southern New Zealand, Critically endangered species

Mark Carwardine / Kakapo (Strigops habroptila) wild male known as Sirocco, night parrot, Codfish Island, off Stewart Island, southern New Zealand, Critically endangered species

Mark Carwardine / Kakapo (Strigops habroptila) wild male known as Sirocco perched in tree, night parrot, Codfish Island, off Stewart Island, southern New Zealand, Critically endangered species

Mark Carwardine / Kakapo (Strigops habroptila) wild male known as Sirocco, night parrot, Codfish Island, off Stewart Island, southern New Zealand, Critically endangered species

Mark Carwardine / Kakapo / Sirocco / Night parrot (Strigops habroptila) wild male. Codfish Island, southern New Zealand, January 2009.

Mark Carwardine / Tiger Conservation: Russian children learning about tiger conservation, Tiger Eco-Centre, Novopokrovka, northern Primorye, Russian Far East

Mark Carwardine / Aye-aye (Daubentonia madagascariensis) licking sap from trunk of tree, Captive, Tsimbazaza Zoo, Madagascar

Mark Carwardine / Siberian / Amur tiger (Panthera tigris altaica) yawning, Male rescued from poachers, ÊUtyos Wildlife Rehabilitation Centre, Kutuzovka Village, Russian Far East, in taiga forest, Endangered species