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

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

Nick Garbutt / RF - Red fox (Vulpes vulpes) foraging in snow covered valley. Hayden Valley, Yellowstone National Park, USA. February 2019. (This image may be licensed either as rights managed or royalty free.)

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

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.

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

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...

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.

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.

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.

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.

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

Terry Whittaker / Red fox (Vulpes vulpes) walking on enbankment with light from passing railway train in background, Kent, UK. Composite.

Dave Bevan / Red fox (Vulpes vulpes) digging out a mouse nest from under a raised bed, filmed at night using an infra red camera, Carmarthenshire, Wales, UK, January.

Philippe Clement / Juvenile Red fox (Vulpes vulpes) hunting and eating insects in a meadow at dusk, Belgium, September

Steve Downer / Close-up of a Red fox (Vulpes vulpes) feeding from a bowl in a garden, Birmingham, England, UK, March.

Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.

Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.

Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.

Matthew Maran / Urban Red fox (Vulpes vulpes) walking past wall with red fox mural / graffiti . North London, England, UK, April.

Sam Hobson / Red fox (Vulpes vulpes) vixen in front of Clifton Suspension Bridge at night. Avon Gorge, Bristol, UK. March 2016.

Laurent Geslin / Red fox (Vulpes vulpes) at night in snow, camera trap image, Jura Mountains, Switzerland, August. Commended in the Mammals category of the Asferico Competition 2016.

Sam Hobson / Red fox vixen (Vulpes vulpes) with young cubs. Bristol, UK. April

Igor Shpilenok / Red fox (Vulpes vulpes) cub biting tail of adult male, Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East. June.

Sergey Gorshkov / Arctic fox (Alopex lagopus) juveniles play fighting, Wrangel Island, Far East Russia, August.

David Pattyn / Red fox (Vulpes vulpes) in grassland, The Netherlands, July.

Benjamin Barthelemy / Close-up of a Red fox (Vulpes vulpes) sniffing, Vanoise National Park, Rhone Alpes, France, November.

Benjamin Barthelemy / Close-up of a Red fox (Vulpes vulpes) resting, with mountains in the background, Vanoise National Park, Rhone Alpes, France, October.

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

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.

Danny Green / Red fox (Vulpes vulpes) scratching in the snow, Churchill, Cananda, November

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) cubs playing, Vosges, France, May.

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

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

Fabrice Cahez / Red fox (Vulpes vulpes) portrait of juvenile, Vosges, France, July.

Bruno D'Amicis / Fennec fox (Vulpes zerda) wild caught adult, kept in sheep pen in village, Kebili Governorate. Tunisia, April. Winner of the Fritz Polking Portfolio Award of the GDT Competition 2015.

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

Neil Aldridge / Urban Red fox (Vulpes vulpes) searching for food near bins in a courtyard at night, West London, United Kingdom, May 2014. Finalist in the Urban category of the Wildlife Photographer of the Year Awar...

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) foraging at night, Grand Erg Oriental, Kebili Governorate. Tunisia. Taken with remote camera trap.

Bruno D'Amicis / Fennec fox (Vulpes zerda) adult at night in sand dunes with starry sky, Grand Erg Oriental, Kebili Governorate, Tunisia. Camera trap image

Bruno D'Amicis / Tenebrionid beetle (Tenebrionidae) crossing Fennec fox (Vulpes zerda) tracks on sand. Grand Erg Oriental, Kebili Governorate. Tunisia.

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) pups playing outside of den, Grand Erg Oriental, Kebili Governorate. Tunisia.

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) Sultan tied up in front of a tourist shop in the souk, Douz, Kebili Governorate. Tunisia. Unwittingly, tourists support the capture of fennec fox cubs from the wild by payi...