Morley Read / Slow motion clip of a Linnaeus' sipo snake (Chironius exoletus) with open mouth, part of threat display, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Danny Green / Polar bear (Ursus maritimus) male in snow. Svalbard, Norway, April.

Nick Garbutt / Puma (Puma concolor puma) young male standing with mouth open. Estancia Amarga, near Torres del Paine National Park, Patagonia, Chile. December.

Shane Gross / A juvenile soldierfish, possibly a Crescent-tail bigeye (Priacanthus hamrur) in the open ocean at night off Anilao, Philippines.

Paul Hobson / Parrot snake (Leptophis ahaetulla) in aggressive pose with mouth open. Costa Rica.

David Fleetham / Smooth trunkfish (Lactophrys triqueter), portrait. Bonaire, Dutch Caribbean.

David Fleetham / Great barracuda (Sphyraena barracuda) with three parasitic Copepods at end of upper jaw. Hawaii.

Loic Poidevin / Golden jackal (Canis aureus) portrait. Danube Delta, Romania, May.

Ingo Arndt / Double-crested cormorant (Phalacrocorax auritus) adult resting, close up portrait, Everglades National Park, Florida, USA. January. Finalist in the Birds Category of the GDT Awards 2015.

Ingo Arndt / Grizzly bear (Ursus arctos horribilis) picture taken with a remote camera car, Alaska, July.

Ingo Arndt / Red-eyed Tree Frog (Agalychnis callidryas) close- up of eye half open, the golden webbed semi-transparent eyelid allows to see its surrounding even while resting, Costa Rica.

Ingo Arndt / Aerial view of Hardy Reef, Great Barrier Reef, Queensland, Australia, December 2010.

Ingo Arndt / Aerial view of Hardy Reef, Great Barrier Reef, Queensland, Australia, December 2010.

Ingo Arndt / Magnetic termite (Amitermes meridionalis) aerial view of mounds in grassland, Litchfield National Park, Northern Territory, Australia.

Ingo Arndt / Magnetic termite (Amitermes meridionalis) aerial view of mounds in grassland, Litchfield National Park, Northern Territory, Australia.

Ingo Arndt / Villagers collecting eggs from Olive ridley sea turtles (Lepidochelys olivacea) during the first two days of the arribada (mass nesting event). This is the only place in the world where it is legal to...

Alex Hyde / Silk moth (Automeris zugana) sequence 2 of 2, with wings open to reveal eyespots, a means of deterring predators, photographed on a white background in mobile field studio, Cordillera de Talamanca mou...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform), Cenderawasih Bay, West Papua, Indonesia. Winner of the Man and Nature Portfolio Award in the Terre Sauvage Nature Images Aw...

Bence Mate / Grey heron (Ardea cinerea) close up with large fish in beak, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. February.

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.

Pedro Narra / Green turtle (Chelonia mydas) resting in the shallows of the coast, Bijagos Islands, Guinea Bissau. Endangered species.

Wim van den Heever / Bare-faced curassow (Crax fasciolata) portrait of female, Pantanal, Brazil.

Juan Carlos Munoz / Close up of horse wearing bridle, Sierra de Gredos, Avila, Castile and Leon, Spain.

Juan Carlos Munoz / Close up of horse wearing bridle, Sierra de Gredos, Avila, Castile and Leon, Spain.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days resting on mother's chest, one suckling. captive, occurs in Central Africa. Critically endangered.

Ben Hall / Red fox (Vulpes vulpes) peering from behind tree with bluebells in foreground, Cheshire, June.

Cheryl-Samantha Owen / Common or plains zebra (Equus quagga burchelli) grazing in bushTarangire National Park, Northern Tanzania.

Wim van den Heever / Cape Buffalo (Syncerus caffer) in darkness, Masai Mara, Kenya.

Wim van den Heever / Lion (Panthera leo) male in darkness, Okavango Delta, Botswana.

Ole Jorgen Liodden / Polar bear (Ursus maritimus) standing on ice floe, looking at camera. Svalbard, Norway. August.

Pedro Narra / Green Turtle (Chelonia mydas) returning to sea, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes Menacees / SOS Endangered Species Portfolio category of the Terre Sau...

Pedro Narra / Man and woman undertaking monitoring work measuring Green turtle (Chelonia mydas) nests as the the female digs it, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes M...

Pedro Narra / Green turtle (Chelonia mydas) two interacting at surface, Bissagos Islands, Guinea Bissau Endangered species. 3rd Place in the SOS Especes Menacees / SOS Endangered Species Portfolio category of the...

Radomir Jakubowski / Red fox (Vulpes vulpes) standing in snowfall, Grand Teton National Park, Wyoming, USA, February. Winner of the NPL Best Single Image award in the Terre Sauvage Nature Images Awards competition 2015.

Jabruson / Mozambican children with captive Yellow Baboon youngster (Papio cynocephalus) young animal caught during troop crop raiding. Pemba to Montepuez highway, north-eastern Mozambique, November 2011. Specia...

Juergen Freund / Mud crab (Scylla serrata) in shallow sandy water. Split level with island and thatched house on stilts. Moromahu Island, Wakatobi, South Sulawesi, Indonesia. Second Place in the Portfolio Award of the...

Alex Mustard / Portrait of Bigfin squid (Sepioteuthis lessoniana) hovering in open water above a coral reef at night. Dampier Strait, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean

Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) young baby of adolescent female 'Golden' suckling. Gombe National Park, Tanzania.

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

Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) infant male 'Gizmo' aged 2 years lying on the forest floor. Gombe National Park, Tanzania.

Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) female 'Gremlin' aged 40 years calling while holding her baby granddaughter aged 2 months and her own infant son aged 2 years. Gombe National Park,...

Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) adult male 'Frodo' aged 35 years portrait. Gombe National Park, Tanzania.

Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) infant male 'Google' aged 2 years, portrait. Gombe National Park, Tanzania.

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

Fabrice Cahez / Red fox (Vulpes vulpes) cub walking in grass, ,Vosges, France, May.

Mark Bowler / White lipped peccary (Tayassu pecari) on forest floor, Lago Preto Conservation Concession, Yavari River, Peru.

Tony Heald / Hanuman langur (Semnopithecus entellus) baby next to mother, Bandhavgarh National Park, India.

Sharon Heald / Hippopotamus (Hippopotamus amphibius) charging, Chobe National Park, Botswana, July.

Nick Garbutt / Darwin's hawkmoth (Xanthopan morgani praedicta) showing extraordinarily long coiled tongue. Andasibe-Mantadia National Park, Madagascar.

Tony Heald / Hanuman langur (Semnopithecus entellus) eating coconut husk, Bandhavgarh National Park, India. March.

Sharon Heald / African buffalo (Syncerus caffer) low angle portrait, Chobe National Park, Botswana.

Bernard Castelein / Roe Deer (Capreolus capreolus) stag peering through vegetation, Peerdsbos, Brasschaat, Belgium, July.

Juan Carlos Munoz / Northern tamandua (Tamandua mexicana) climbing tree, Corcovado National Park, Osa Peninsula, Puntarenas Province, Costa Rica.

Mark Bowler / Black capuchin, (Sapajus nigritus) female standing on hind legs, Rio de Janeiro, Brazil.

Dave Watts / Golden lion tamarin (Leontopithecus rosalia rosalia) captive in zoo. Occurs in Brazil.

Pete Oxford / Konyak Naga boy peering out of house decorated with buffalo skulls, Konyak Naga headhunting Tribe.Mon district, Nagaland, North East India, October 2014.

Pete Oxford / Konyak Naga tattooed Ang or Chief. Only someone who has killed and taken a human head can be tattooed in this manner. Mon district. Nagaland, North East India, October 2014.

Pete Oxford / Gayal / Mithun (Bos frontalis) on river bank. Arunachal Pradesh, North East India. November 2014.

Uri Golman / Greenland reindeer (Rangifer tarandus groenlandicus) in velvet, Kangerlussuaq, Greenland, June.

Uri Golman / Forest reindeer, (Rangifer tarandus fennicus) in velvet, Viiksimo, Kuhmo region. Finland, July. Rare subspecies which were nearly extinct in the 19th Century.

Pete Oxford / Apatani woman with facial tattoos and traditional cane nose plugs / Yapin Hulo made to make them look unattractive to males from other tribes. These facial modifications are now outlawed. Apatani Tr...

Richard Kirby / Svalbard reindeer (Rangifer tarandus platyrhynchus) mother and calves, Svalbard, Norway, February.

Cyril Ruoso / Ringed-tailed lemur (Lemur catta) foraging in sisal field looking for flowers during a poor year without much fruit. Berenty reserve, Madagascar, September.

Cyril Ruoso / Red fox (Vulpes vulpes) cub, Burgundy, France, May.

Staffan Widstrand / Wild boar (Sus scrofa) in old mixed conifer and broadleaf forest, Punia Forest Reserve, Lithuania, May.

Eric Baccega / Young man from the Bodi Tribe having new scars made on his chest with razor blade, to make decorative skin scarifications. Omo Valley, Ethiopia, March 2015.

Eric Baccega / Portrait of woman from the Mursi tribe, traditionally decorated and painted, wearing a large clay lip plate, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Portrait of woman from the Mursi tribe, traditionally decorated and painted, wearing a large clay lip plate, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Toposa tribe man with elaborate facial skin scarifications, Omo Valley, Ethiopia, March 2015.

Sven Zacek / Roe Deer (Capreolus capreolus) herd in snowy field in Tartumaa, Estonia, March.

Sven Zacek / Roe deer (Capreolus capreolus) buck with velvet antlers and fawn at sunset, Tartumaa, March 2013.

Sven Zacek / Four Roe deer (Capreolus capreolus) bucks with velvet antlers and the shadow of a fifth buck, Tartumaa, Estonia, March.

Sven Zacek / Roe deer (capreolus capreolus) buck portrait, with velvet antlers. Tartumaa, Estonia, March.

Yukihiro Fukuda / Japanese macaque (Macaca fuscata fuscata) rare white furred baby calling, Jigokudani Valley, Nagano Prefecture, Japan. June.

Yukihiro Fukuda / Japanese macaque (Macaca fuscata fuscata) rare white furred baby playing with another baby. Jigokudani Valley, Nagano Prefecture, Japan. June.

Bruno D'Amicis / Fennec fox (Vulpes zerda) adult at night digging for prey among the roots of Retam broom shrub. Grand Erg Oriental, Kebili Governorate, Tunisia. Taken with remote camera trap.

Bruno D'Amicis / Fennec fox (Vulpes zerda) pups playing outside of den, Grand Erg Oriental, Kebili Governorate. Tunisia.

Bruno D'Amicis / Fennec fox (Vulpes zerda) Grand Erg Oriental, Kebili Governorate. Tunisia.

Bruno D'Amicis / Fennec fox (Vulpes zerda) ears above sand dunes, Grand Erg Oriental, Kebili Governorate. Tunisia.

Bruno D'Amicis / Fennec fox (Vulpes zerda) pup, aged a few weeks, caught in the wild and shown at a famous camel trekking site for tourists in the hope of either selling it or being paid for photos, Kebili Governorate...

Bruno D'Amicis / Fennec fox (Vulpes zerda) few-weeks old pup caught in the wild and shown at a famous camel trekking site for tourists in the hope of either selling it or being paid for photos, Kebili Governorate. Tun...

George Sanker / Snowy egret (Egretta thula) with plumes erect, St. Augustine, Florida, USA, April.

George Sanker / Barred owl (Strix varia) stretching wings, Corkscrew Swamp Audubon Sanctuary, Florida, USA, March.

George Sanker / White-tailed deer (Odocoileus virginianus) female grazing in snow, Acadia National Park, Maine, USA. February.

George Sanker / North American beaver (Castor canadensis). swimming in late evening light, Acadia National Park, Maine, USA., September.

Juan Carlos Munoz / Cheesemaker holding a hard cheese, with equipment in the background. Triglav National Park, Slovenia, October 2014.

Nick Upton / Harvest mouse (Micromys minutus) on Common hogweed (Heracleum sphondylium) flowerhead after release, Moulton, Northampton, UK, June.

Andy Rouse / Grey wolf (Canis lupus lupus) Finland, September.

Andy Rouse / Fish eye aerial view of autumnal forest, Finland, September.

Andy Rouse / Galapagos land iguana (Conolophus subcristatus) walking towards camera, Urbina Bay, Isabela Island, Galapagos.

Andy Rouse / Galapagos land iguana (Conolophus subcristatus) feeding, Urbina Bay, Isabela Island, Galapagos.

Andy Rouse / Chital deer (Axis axis) mother with young, Ranthambhore National Park, India.

Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) with young chick on back, Cardiff, UK, April.

Dong Lei / Black lipped pika (Ochotona curzoniae ) outside of nest hole, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China. August 2010.

Konrad Wothe / Jumping stick grasshopper (Apioscelis bulbosa) Panguana Reserve, Huanuco province, Amazon basin, Peru.

David Tipling / European brown hare (Lepus europaeus) portrait in wheat field, Norfolk, England, UK, March.