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.

Klaus Echle / Red Fox (Vulpes vulpes) walking along a fallen trunk, silhouetted in misty forest. Black Forest, Germany, November.

Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) attacking an Arctic Fox (Vulpes / Alopex lagopus) protecting its nest site, Spitsbergen, Svalbard, Norway. Highly commended, MAMMALS, GDT 2011 competition

Andy Rouse / Portrait of a Grizzly Bear (Ursus arctos) cub with paw over face. Katmai, Alaska, USA, September. Not available for ringtone/wallpaper use.

Richard Steel / 2020VISION / Badger (Meles meles) at night, Oxfordshire, England, UK, October.

Richard Steel / 2020VISION / Red fox (Vulpes vulpes) sitting in deciduous woodland, Lancashire, England, UK, November.

Richard Steel / 2020VISION / Red fox (Vulpes vulpes) sitting in deciduous woodland, Lancashire, England, UK, November.

Richard Steel / 2020VISION / Stoat (Mustela erminea) standing on rock in saltmarsh, Conwy, Wales, UK, June.

Neil Aldridge / Meerkat (Suricata suricatta) standing and keeping watch while another excavates a burrow in soft sand before disappearing underground for the night. Makgadikgadi Pans, Botswana, April.

Neil Aldridge / Young Meerkat (Suricata suricatta) standing on its hind legs near the edge of Makgadikgadi Pans National Park, Botswana, April.

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

Mark Taylor / German Shepherd Dog bitch pup, Coco, 14 weeks old, with raised paw.

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

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

Staffan Widstrand / Ringed seal (Pusa hispida) hauled out on rock, Svalbard, Norway

Anup Shah / African Lion (Panthera leo) male feeding on a warthog kill, Masai Mara National Reserve, Kenya. March

Anup Shah / African Lion (Panthera leo) male approaching Spotted hyaena (Crocuta crocuta) Masai Mara National Reserve, Kenya. March

Anup Shah / African lion (Panthera leo) cub aged 1-2 months swimming in a waterhole, Masai Mara National Reserve, Kenya. March

Anup Shah / African lion (Panthera leo) lioness resting with her two playful cubs aged 1-2 months, Masai Mara National Reserve, Kenya. March

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub lying on back and drying itself on seaweed, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Bertie Gregory / 2020VISION / Adult Badger (Meles meles) in long grass, Dorset, England, UK, July.

Bertie Gregory / 2020VISION / Badger (Meles meles) cub, Dorset, England, UK, July. Did you know? The word Badger derives from the French 'Becheur', meaning digger.

Bertie Gregory / 2020VISION / Badger (Meles meles) family feeding in long grass near to their sett, Dorset, England, UK, July.

Danny Green / Brown Bear (Ursus arctos) cubs, three standing in a line on their hind legs. Finland, July.

Danny Green / Brown Bear (Ursus arctos), cub climbing a tree, Finland, July.

Neil Aldridge / African Lion (Panthera leo) cub reaches for a moment of intimacy with its father, Northern Tuli Game Reserve, Botswana

XI ZHINONG / Grey wolf (Canis lupus) chasing a wounded tibetan wild ass (Equus kiang) Kekexili, Qinghai, China, December.

XI ZHINONG / Grey Wolves (Canis lupus) hunting a wounded Tibetan wild ass (Equus kiang) Kekexili, Qinghai, China, December.

Fabrice Cahez / Red Fox (Vulpes vulpes) leaping on to prey in field. Vosges, France, June.

Fabrice Cahez / Wild Cat (Felis silvestris) in mist. Vosges, France, August.

Fabrice Cahez / Wild Cat (Felis silvestris). Vosges, France, August.

Mark MacEwen / Male Marsh pride lion (Panthera leo) on a moonless night, Masai Mara, Kenya. Taken with infra red camera, September

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

Mark Carwardine / European lynx (Lynx lynx) rescued from poachers, Utyos Wildlife Rehabilitation Centre, Kutuzovka Village, Russian Far East

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

Mark Carwardine / Mexican wolf (Canis lupus baileyi) running, captive, Living Desert Zoo, Palm Desert, California, USA

Mark Carwardine / California sealions (Zalophus californianus), one in water with other sitting on rock, Baja California, Sea of Cortez (Gulf of California), Mexico

Mark Carwardine / Walrus (Odobenus rosmarus) mother and pup swimming in the water, Igloolik, Foxe Basin, Nunavut, Arctic Canada

Mark Carwardine / Walrus (Odobenus rosmarus) mother and pup in the water together, Igloolik, Foxe Basin, Nunavut, Arctic Canada

Mark Carwardine / Tourists watching Walrus (Odobenus rosmarus) swimming near boat, Igloolik, Foxe Basin, Nunavut, Arctic Canada, 2007

Mark Carwardine / Walrus (Odobenus rosmarus), Igloolik, Foxe Basin, Nunavut, Arctic Canada

Mark Carwardine / Black bear (Ursus americanus) catching salmon, Princess Royal Island, the Great Bear Rainforest, British Columbia, western Canada

Mark Carwardine / Polar bear swimming {Ursus maritimus} Nunavut, Canada

Mark Carwardine / Killer whale {Orcinus orca} hunting sealion pup Patagonia, Argentina

Floris van Breugel / Two Bull Northern Elephant Seals (Mirounga angustirostris) face off before fighting in the middle of the extensive Piedras Blancas rookery with over 150 seals just in this photo, mostly pregnant or nu...

Yuri Shibnev / Wild Amur leopard (Panthera pardus orientalis) crossing a fallen tree over a river, Kedrovaya, Pad Reserve, Far East Russia 1987

Ole Jorgen Liodden / Male Hooker's / New Zealand sea lion (Phocarctos hookeri) in water, Campbell Island, New Zealand, sub Antarctic Islands. November.

Christophe Courteau / Small Spotted Genet (Genetta genetta) poking head out of a tree at night, Botswana

Christophe Courteau / Fighting between a pack of 21 African Wild Dogs {Lycaon pictus} and the dominant female of a clan of Spotted Hyaenas (Crocuta crocuta) Northern Okavango Delta, Botswana

Christophe Courteau / Fighting between a pack of 21 African Wild Dogs {Lycaon pictus} and the dominant female of a clan of Spotted Hyaenas (Crocuta crocuta) Northern Okavango Delta, Botswana

Christophe Courteau / Spotted Hyaena (Crocuta crocuta) at night, South Africa

Christophe Courteau / Cheetah (Acinonyx jubatus) stalking scrubland, with Giraffes (Giraffa camelopardalis) in the background. Kalahari Desert, Botswana

Christophe Courteau / Female Leopard (Panthera pardus) at night, Botswana

Christophe Courteau / Leopard (Panthera pardus) male hunting in long grass, Okavango Delta, Botswana

Christophe Courteau / Giant Otter swimming (Pteronura braziliensis) Pixiam river, Pantanal, Mato Grosso, Brazil.

Christophe Courteau / African Genet at night in Mopane Tree (Genetta genetta africana) Okavango Delta. Botswana

Christophe Courteau / Female Cheetah (Acinonyx jubatus) chasing Impala. Okavango Delta, Botswana, sequence 7/7

Steven Kazlowski / Spirit bear (Ursus americanus) sow with dark cub walking on a log at high tide, along the coastal rainforest of the central British Columbia coast, Canada

Steven Kazlowski / Polar bear (Ursus maritimus) adult walking over newly formed pack ice during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA

Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub sliding on their backs over the pack ice, much like ice skating, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, USA

Steven Kazlowski / Polar bear (Ursus maritimus) underwater view swimming in a pool, Anchorage Zoo, Alaska, USA. No release available.

Steven Kazlowski / Grizzly bear (Ursus arctos horribilis) young rare blonde (white) bear plays with a young dark coloured bear along the coast of Katmai National Park, Alaskan peninsula, USA

Steven Kazlowski / Lynx (Lynx lynx) adult in the snowy foothills of the Takshanuk mountains, South-East Alaska, USA

Steven Kazlowski / Lynx (Lynx lynx) adult in the snowy foothills of the Takshanuk mountains, South-East Alaska, USA

Steven Kazlowski / Grizzly bear (Ursus arctos horribils) walking on snow, 1002 coastal plain, Arctic National Wildlife Refuge, North Slope of Brooks Range, Alaska, USA

Claudio Contreras / Harbour Seal (Phoca vitulina), near San Quintin, Baja California Peninsula, Mexico, December.

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

Loic Poidevin / Grizzly bear (Ursus arctos horribilis) attempting to catch salmon leaping up rapids, Katmai National Park, Alaska, USA

Loic Poidevin / Salmon landing on head of Grizzly bear (Ursus arctos horribilis) as it is leaping up rapids, Katmai National Park, Alaska, USA

Loic Poidevin / Grizzly bear (Ursus arctos horribilis) salmon fishing in river rapids, Katmai National Park, Alaska, USA

Loic Poidevin / Grizzly bear (Ursus arctos horribilis) salmon fishing in river rapids, Katmai National Park, Alaska, USA

Stefan Huwiler / Golden Eagle (Aquila chrysaetos), adult defending carcass from Red Fox (Vulpes vulpes), Sinite Kamani National Park, Bulgaria, Europe. February

Stefan Huwiler / Golden Eagle (Aquila chrysaetos) adult defending carcass from Red Fox (Vulpes vulpes), Sinite Kamani National Park, Bulgaria, Europe. February. Commended, Behaviour : Birds category, Wildlife Photogra...

Paul D Stewart / Lithograph with contemporary colouring, continental version of the last wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It is entitled 'Pachydermata and C...

Erlend Haarberg / Arctic fox (Alopex lagopus) in thick winter fur jumping a river in spring, Hornstrandir, West Fjords, Iceland, April

GRAHAM HATHERLEY / Fennec Fox (Fennecus zerda) portrait, sitting. Captive. Morocco, North Africa.

Vladimir Medvedev / Amur Leopard (Panthera pardus orientalis) on rocky slope at night, Kedrovaya Pad reserve, Primorskiy krai, Far East Russia, December, Critically endangered species.

Vladimir Medvedev / Amur Leopard (Panthera pardus orientalis) profile view, Kedrovaya Pad reserve, Primorskiy krai, Far East Russia. January, Critically endangered species.

Vladimir Medvedev / Amur Leopard (Panthera pardus orientalis) rear view, Kedrovaya Pad reserve, Primorskiy krai, Far East Russia. December, Critically endangered species.

David Pattyn / Giant otter (Pteronura brasiliensis) running at the edge of a river while playing with a family member, Rio Tres Irmaos, Pantanal, Brazil

David Pattyn / Red fox (Vulpes vulpes) close up portrait, The Netherlands

David Pattyn / Red foxes (Vulpes vulpes) two fighting, probably over territory, The Netherlands, August

David Pattyn / Red fox (Vulpes vulpes) head portrait, The Netherlands

David Pattyn / African lioness (Panthera leo) head portrait, Kgalagadi Transfrontier Park, South Africa

Charlie Summers / Black bear (Ursus americanus) swimming in Herring Cove south of the town of Ketchikan, Alaska, USA, July

Sergey Gorshkov / NOT FOR WEBSITE Close-up of Brown bear (Ursus arctos) in lake, Kamchatka, Far east Russia, August