Jami Tarris / Arctic Fox (Alopex lagopus) running in snow, Spitsbergen, Svalbard, Norway

Juergen & Christine Sohns / African Wild Dog (Lycaon pictus) group attacking Cape Warthog (Phacochoerus aethiopicus), Tswalu Game Reserve, South Africa

Danny Green / Arctic fox (Vulpes lagopus), two in snow covered landscape. Svalbard, Norway, April 2019.

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

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

Danny Green / Arctic fox (Alopex lagopus) in snow. Svalbard, Norway. April.

Tony Heald / African wild dog (Lycaon pictus) portrait. Chobe National Park Botswana. Digitally enhanced sepia image.

Mark Raycroft / Welsh Corgi (Canis familiaris) jumping, North America

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

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

Matthew Maran / Red fox (Vulpes vulpes) carrying a large dead Brown rat (Rattus norvegicus) in an urban garden, North London, UK. August.

Matthew Maran / Red fox (Vulpes vulpes) cub defending its kill,a large Brown rat (Rattus norvegicus) from another cub, North London, UK. August. Highly commended in the Behaviour : Mammals Category of the Wildlife Ph...

John Shaw / Common eider duck (Somateria mollissima) female defending her nest from arctic fox (Vulpes lagopus). Longyearbyen, Spitsbergen. June.

Andy Rouse / Red fox, (Vulpes vulpes), in bluebells, UK

Oscar Dewhurst / Red Fox (Vulpes vulpes) sitting on grass bank. London, UK. October

Oscar Dewhurst / Red Fox (Vulpes vulpes) watching prey through long grass. London, UK. November

Oscar Dewhurst / Red fox (Vulpes vulpes) sitting on a frozen lake at the edge of the reeds. London, UK. December.

Oscar Dewhurst / Red Fox (Vulpes vulpes) running through deep snow. London, UK. January

Oscar Dewhurst / Red Fox (Vulpes vulpes), hunting in the frost, London, UK. November

Oscar Dewhurst / Red Fox (Vulpes vulpes) scavenging for food in a rubbish skip. London, UK. November

Bence Mate / African wild dogs (Lycaon pictus) juveniles playing with the leg of an impala, trying to drag it in three different directions. Mkuze, South Africa. Commended in Glanzlichter photo competition 2020.

Terry Whittaker / Arctic fox (Vulpes lagopus). Blue colour morph. Hornstrandir Nature Reserve, Iceland. March

Terry Whittaker / Red fox (Vulpes vulpes), in urban garden, Manchester, UK. July

Terry Whittaker / Red fox (Vulpes vulpes), on coast, portrait. Netherlands. November.

Terry Whittaker / Red foxes (Vulpes vulpes) fighting in sand dune habitat, Holland, Netherlands. November.

David Pattyn / Red fox (Vulpes vulpes) in deep snow emerging from den, Valsavarenche valley, Gran Paradiso national Park, Aosta Valley, Alps, Italy, December

Matthew Maran / Red fox (Vulpes Vulpes) resting curled up close up, North London, England UK

Matthew Maran / Red Fox (Vulpes Vulpes) in allotment, North London, England UK

Matthew Maran / Red Fox (Vulpes Vulpes) in alotment, North London, England UK

Matthew Maran / Red Fox (Vulpes Vulpes) next to red fox graffiti art at night. North London, England UK

Matthew Maran / Red Fox (Vulpes Vulpes) outside houses, North London, England UK

Matthew Maran / Red Fox (Vulpes Vulpes) cubs play fighting North London, England, UK, June.

Matthew Maran / Red Fox (Vulpes Vulpes) on garden wall, North London, England UK

Matthew Maran / Red Fox (Vulpes Vulpes) at night, North London, England UK.

Matthew Maran / Red Fox (Vulpes Vulpes) patrolling the allotment North London, England, UK, September.

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus) pack, Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Willi Rolfes/ BIA / European Wolf (Canis lupus), Lower Saxony, Germany

Jed Weingarten / Wild Wonders of China / Tibetan wolf (Canis lupus chanco) in mountain landscape, Serxu County, Garze Prefecture, Sichuan Province, China.

Anup Shah / Black-backed jackal approaching with curiosity - remote camera (Canis mesomelas). Masai Mara National Reserve, Kenya.

Daniel Heuclin / Andean fox (Lycalopex culpaeus) walking in the Altiplano, Andes, Bolivia. September 2018.

Nick Upton / Two Red fox (Vulpes vulpes) cubs playing near the entrance to their den at dusk, Somerset, England, UK, May.

Pedro Narra / Red fox (Vulpes vulpes) and a newborn cub, Sado Estuary, Portugal. May

Pedro Narra / Red fox (Vulpes vulpes) at dusk with moon, Sado Estuary, Portugal. September

Pedro Narra / Red fox (Vulpes vulpes) silhouetted, Sado Estuary, Portugal. September

Pedro Narra / Red fox (Vulpes vulpes) vixen grooming cub, Sado Estuary, Portugal. May

Fabrice Cahez / Red fox (Vulpes vulpes) cubs playing, Vosges, France, May.

Fabrice Cahez / Red fox (Vulpes vulpes) cubs playing, Vosges, France, May.

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

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

Paul Hobson / Red fox (Vulpes vulpes), two cubs play fighting. Sheffield, England, UK. May.

Paul Hobson / Red fox (Vulpes vulpes) cub looking at camera, in morning. Sheffield, England, UK. June.

SCOTLAND: The Big Picture / Red fox (Vulpes vulpes) cub sitting in coniferous woodland clearing at dusk. Glenfeshie, Cairngorms National Park, Scotland, UK.

Pal Hermansen / Golden eagle (Aquila crysaetos) on dead Fox (Vulpes vulpes) carcass. Trondelag, Norway. March. Remote camera shot

Axel Gomille / Wolf (Canis lupus), cubs playing at edge of woodland, Saxony-Anhalt, Germany, July.

Axel Gomille / Aerial view of wetlands landscape, Wolf (Canis lupus) habitat, Saxony, Germany, September.

Axel Gomille / Wolf (Canis lupus), in meadow, Saxony-Anhalt, Germany

Axel Gomille / Wolf (Canis lupus), young wolves play fighting in meadow, Saxony-Anhalt, Germany.

Axel Gomille / Wolf (Canis lupus), sitting in front of wrecked tank, military training area, Saxony-Anhalt, Germany

Axel Gomille / Wolf (Canis lupus), cub, Saxony-Anhalt, Germany, July.

Axel Gomille / Wolf (Canis lupus), in meadow, Saxony-Anhalt, Germany

Axel Gomille / Wolf (Canis lupus) walking, Saxony-Anhalt, Germany

Chase Dekker / Red Fox (Vulpes vulpes) in winter, Grand Teton National Park, Wyoming

Chase Dekker / Red Fox (Vulpes vulpes) kit, Washington

Nick Garbutt / Pack of wolves (Canis lupus). Yellowstone National Park, Wyoming, USA. January.

Bruno D'Amicis / Red fox (Vulpes vulpes) walking along fallen trunk of old Beech (Fagus sylvatica) tree, Coppo del Principe old-growth beech forest in autumn. Abruzzo, Lazio and Molise National Park / Parco Nazionale...

Daniel J. Cox / Gray Wolf (Canis lupus) predating female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 4 of 4

Daniel J. Cox / Gray Wolf (Canis lupus) killing female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 3 of 4

Daniel J. Cox / Gray Wolf (Canis lupus) attacking female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 2 of 4

Daniel J. Cox / Gray Wolf (Canis lupus) pair predating female Elk (Cervus elaphus) crossing river, Alum Creek, Yellowstone National Park, Wyoming, sequence 1 of 4

Terry Whittaker / Juvenile Red fox (Vulpes vulpes) interacting with and trying to play with an adult in an urban garden, Greater Manchester, UK, August. Filmed using a camera trap.

Terry Whittaker / Domestic cat chasing a Red fox (Vulpes vulpes) in an urban garden, Greater Manchester, UK, August 2017. Filmed using a camera trap.

Terry Whittaker / Arctic fox (Vulpes lagopus) feeding in snow, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.

Terry Whittaker / Arctic fox (Vulpes lagopus) feeding and digging in snow whilst hunting, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.

David Allemand / Arctic fox (Vulpes lagopus) young fox pouncing, Iceland. October.

Karine Aigner / Portrait of an African wild dog (Lycaon Pictus) running on green grass, Zimbabwe.

Terry Whittaker / Red fox (Vulpes vulpes) adult with train in background, Kent, UK. March. Highly commended in the Nature Photographer of the Year Awards 2018. Taken with remote camera.

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

Mark Raycroft / Border Collie (Canis familiaris), North America

Jaymi Heimbuch / Coyote (Canis latrans) female in city, San Francisco, Bay Area, California

Steve Downer / Red fox (Vulpes vulpes) jumping over a fence and taking food left out on a tree stump in a garden, Birmingham, England, UK, April.

Steve Downer / Red fox (Vulpes vulpes) feeding from a bowl in a garden, Birmingham, England, UK, April.

Daniel J. Cox / Gray Wolf (Canis lupus) pack on ridge in winter, Lamar Valley, Yellowstone National Park, Wyoming

Radomir Jakubowski / Red fox (Vulpes vulpes) face portrait in snow, Grand Teton National Park, Wyoming, USA, February.

Radomir Jakubowski / Red fox (Vulpes vulpes) in snowfall, Grand Teton National Park, Wyoming, USA, February.

Mark Raycroft / German Shepherd (Canis familiaris) puppies, North America

Mark Raycroft / Golden Retriever (Canis familiaris) puppy, North America

Mark Raycroft / Cocker Spaniel (Canis familiaris) puppy playing, North America

Bruno D'Amicis / Red fox (Vulpes vulpes) walking through snow. Central Apennines, Molise, Italy, February.

Nick Garbutt / Wolf (Canis lupus) male on rocky snow covered slopes. Ulley Valley in the Himalayas, Ladakh, India.