Mark Taylor / Cheeky ginger kitten, Ollie, 10 weeks, reaching up and batting the ear of Boxer puppy NOT AVAILABLE FOR BOOK USE

Five Films / Fisherman using a net to land a large Pollack (Pollachius pollachius), with dog on boat, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Lynn M Stone / Yellow Labrador retriever in fresh snow, Clinton, Connecticut, USA

Mark Taylor / Yellow Labrador Retriever puppy, age 9 weeks, lying with head up.

Mark Taylor / Yellow Labrador Retriever puppy, 8 weeks old, sitting with raised paw

Pedro Narra / Local people gathered for education program to conserve the wildlife of the Bissagos Islands including the endangered Green turtle (Chelonia mydas) Bissagos Islands, Guinea Bissau, October 2014. 3rd P...

Pal Hermansen / Inuit sled dogs resting, near Ittoqortoormiit, Scoresbysund, Greenland. Second Prize in the Nature category of the Spider Black and White Photography Competition 2015.

Eric Baccega / Black flat-coated retriever dog splashing in water and retrieving stick (Canis familiaris)

Jane Burton / Labrador retriever carrying basket of kittens, white Background. NOT AVAILABLE FOR BOOK USE

Mark Taylor / Liver Flatcoated Retriever puppy, 6 weeks, with two baby Guinea pigs. NOT AVAILABLE FOR BOOK USE

Mark Taylor / Liver Flatcoated Retriever puppy, 6 weeks.

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow. Germany

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

Mark Taylor / Tabby kitten, Fosset, 10 weeks, with Great Dane puppy, Tia, 14 weeks. NOT AVAILABLE FOR BOOK USE

Mark Taylor / Yellow Labrador Retriever puppy, 8 weeks running.

Mark Taylor / Yellow Labrador Retriever puppy, 8 weeks, lying with head up.

Ernie Janes / Two Dogue de Bordeaux dogs looking over garden fence. No release available.

Ernie Janes / Yellow Labrador running in snow, UK

Yves Lanceau / Domestic dog, Hungarian Sheepdog / Komondor, female and puppy, France

Yves Lanceau / Domestic dog, Weimaraner, puppy, studio portrait

Ernie Janes / Yellow Labrador (Canis familiaris) portrait, UK

Petra Wegner / Briard / Berger de Brie, head portrait with plaited hair between eyes.

Petra Wegner / Ogar Polski / Polish Hound, short haired male, head portrait.

Petra Wegner / Ogar Polski / Polish Hound, short haired bitch, head profile.

Petra Wegner / Siberian Husky, puppy, 11 weeks, lying down.

Petra Wegner / Dobermann Pinscher puppies, 5 weeks, feeding from bowl.

Andy Rouse / Man playing in deep snow with dogs (two German shepherds and a spaniel) on closed road on Caerphilly Mountain, Caerphilly, South Wales, UK, December 2010, Model released

Chadden Hunter / Aerial view of hunting pack of Timber wolves (Canis lupus) in Arctic circle in Northern Canada, Taken on location for BBC Frozen Planet series, 2009

Thomas Rabeil / Fennec Fox (Fennecus / Vulpes zerda) looking out from its burrow. Dilia Achetinamou Niger, Africa.

Lynn M Stone / Golden Retriever puppy sitting in snow. Big Rock, Illinois, USA, February.

Lynn M Stone / Golden Retriever puppy walking through snow by a small twig with berries. Big Rock, Illinois, USA, February.

Lynn M Stone / Golden Retriever puppy sitting in snow in late afternoon. Big Rock, Illinois, USA, February.

Mark Taylor / Chocolate Labrador puppy, 3 months, lying.

Mark Taylor / Yellow Labrador Retriever puppies, 9 weeks, play-fighting.

Mark Taylor / Yellow Labrador Retriever puppy, 7 weeks.

Jane Burton / Chocolate Labrador Retriever puppy, sitting and looking up.

Jane Burton / Yellow Labrador Retriever pup, 8 weeks, lying with paws crossed.

Jane Burton / Yellow Labrador retriever puppy lying with paws crossed, 8 weeks.

Jane Burton / Black Labrador retriever puppy sitting, 8 weeks.

Jane Burton / Yellow Labrador retriever, new born puppy sleeping.

Jane Burton / Black Labrador and two puppies.

Jane Burton / Black Labrador with two puppies.

Yves Lanceau / Domestic dog, Old English Sheepdog / Bobtail, studio portrait

Yves Lanceau / Domestic dog, Afghan Hound / Tazy / Baluchi Hound, head portrait

Solvin Zankl / Airdale terrier head portrait, sitting and panting Not available for ringtone/wallpaper use.

Solvin Zankl / Portrait of a Bouvier des Flander cross-breed dog, sitting and panting

Solvin Zankl / Cocker Spaniel head portrait, aged 5 years