Andres M. Dominguez / Crab spider (Thomisus onustus) on white flowerhead, Sierra de Grazalema Natural Park, southern Spain, May.

Sergey Gorshkov / Siberian tiger (Panthera tigris altaica) at night, taken with remote camera in Land of the Leopard National Park, Far East Russia, November.Highly Commended in the Animal Portraits Category of the Wil...

Terry Whittaker / Pine marten (Martes martes) running, Trossachs National Park, Scotland, UK. September. Photographed with a camera trap.

Sergey Gorshkov / Siberian tiger (Panthera tigris altaica) female territorial marking by rubbing cheek against ancient Manchurian fir tree, Land of the Leopard National Park, Far East Russia, November. Taken with remo...

Simon Littlejohn / Close-up of a female Patagonian puma (Puma concolor patagonica) feeding on a Guanaco (Lama guanicoe) carcass, filmed with a remote camera, Torres del Paine National Park, Patagonia, Chile, May.

Ross Hoddinott / Herb robert (Geranium robertianum) flower, Broxwater, Cornwall, UK. April.

Nick Hawkins / Brown four eyed opossum (Metachirus nudicauda) at night in cloud forest, Choco region, Northwestern Ecuador. Camera trap image.

Guy Edwardes / Brown tent-making bats (Uroderma magnirostrum) roosting under a palm leaf, lowland rainforest, Costa Rica. November.

Ross Hoddinott / Beech tree (Fagus sylvatica) photographed using ICM (Intentional Camera Motion), Broxwater, Cornwall, UK. April .

Terry Whittaker / Arctic fox (Alopex lagopus). Hornstrandir, Iceland. Blue colour morph in winter coat. Photographed by camera trap. March

John Cancalosi / Portrait of White-tailed deer (Odocoileus virginianus) doe in snow, New York, USA

Richard Sidey / Extreme close-up of a Humpback whale (Megaptera novaeangliae), with eye looking directly at the camera as the whale turns, Antarctic Peninsula.

Shane Gross / Green sea turtle (Chelonia mydas) near the surface in shallow water, Eleuthera, Bahamas.

Shane Gross / Caribbean reef squid (Sepioteuthis sepioidea) portrait at night, Eleuthera, Bahamas.

Shane Gross / A Great hammerhead shark (Sphyrna mokarran) swimming towards the camera, Bimini, Bahamas.

Karine Aigner / Portrait of a wild male Bobcat (Lynx rufus), Texas, USA. September.

Karine Aigner / Portrait of a wild female Bobcat (Lynx rufus) kitten playing, Texas, USA. September.

Klein & Hubert / Braunvieh cow in alpine meadow, trying to lick camera with tongue. Austria.

Philippe Clement / Leucistic white lions (Panthera leo krugeri) male and juveniles, Captive.

Andres M. Dominguez / Little owl (Athene noctua) perched on sunflower, Cadiz, Andalusia, Spain, July

Andres M. Dominguez / Little owl (Athene noctua) taking shelter from the rain, Arcos de la Frontera, southern Spain. April.

Andres M. Dominguez / Adult male King Eider (Somateria spectabilis).Batsfjord, Norway, March.

Andres M. Dominguez / Golden jackal (Canis aureus) pup sitting on a grassy verge by a path, Danube Delta, Romania, July.

Will Burrard-Lucas / White rhino (Ceratotherium simum) female and juvenile, Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhinoceroses (Ceratotherium simum) with calf playing with adult, Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam.

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam.

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam.

Danny Green / Arctic fox (Alopex lagopus) camouflaged in winter pelage. Svalbard, Norway, April.

Danny Green / Arctic fox (Alopex lagopus) standing in tundra. Svalbard, Norway, July.

Danny Green / Reindeer (Rangifer tarandus), two standing on ridge in blizzard. Svalbard, Norway. April.

Danny Green / Reindeer (Rangifer tarandus) standing on ridge in snow, another reindeer in background. Svalbard, Norway, April.

Danny Green / Reindeer (Rangifer tarandus) walking in snow. Svalbard, Norway, April.

Danny Green / Polar bear (Ursus maritimus) standing on ice. Svalbard, Norway, July.

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

Danny Green / Arctic fox (Alopex lagopus) standing on ice, in winter pelage. Svalbard, Norway, April.

Danny Green / RF - Arctic fox (Alopex lagopus) in winter pelage, camouflaged in snow. Svalbard, Norway, April (This image may be licensed either as rights managed or royalty free.)

Danny Green / RF - Arctic fox (Alopex lagopus) sitting with summer pelage, tuft of fur on head. Svalbard, Norway, July. (This image may be licensed either as rights managed or royalty free.)

Danny Green / RF - Polar bear (Ursus maritimus) female walking across ice. Svalbard, Norway, April. (This image may be licensed either as rights managed or royalty free.)

Danny Green / RF - Polar bear (Ursus maritimus) cub walking in snow. Svalbard, Norway, April. (This image may be licensed either as rights managed or royalty free.)

Danny Green / Grizzly bear (Ursus arctos) running through water, portrait. Lake Clark National Park, Alaska, USA. September.

Gabriel Rojo / Jaguar (Panthera onca) lying on tree roots, portrait. Mato Grosso, Pantanal, Brazil.

Ernie Janes / Ring-tailed lemur (Lemur catta) two huddled together for warmth. Captive.

Fred Olivier / Tawny hermit crab (Coenobita rugosus) emerging from its shell, Christmas Island, Indian Ocean, Australian Territory.

Matthew Maran / Red fox (Vulpes vulpes) dog interacting with a vixen in an urban garden. North London, UK. July.

Morley Read / Tropical flat snake (Siphlophis compressus) climbing on a flowering bromeliad (Aechmea) in the Amazon rainforest, Orellana Province, Ecuador.

Morley Read / Map treefrog (Boana geographica) blinking, Amazon rainforest, Orellana Province, Ecuador.

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

Nayan Khanolkar / Leopard (Panthera pardus) at night with city lights behind, Mumbai, India. November 2018. Camera trap image.