Mark Taylor / Two playful Bulldog puppies, 11 weeks.

TJ Rich / Four chocolate working cocker spaniels on wall. Mother and offspring. Monmouth, Monmouthshire, Wales

TJ Rich / Black working cocker spaniel in bluebells, in beech woodland, Micheldever Woods, Hampshire, UK

TJ Rich / Wirehaired daschund, Staffordshire bull terrier and Hungarian viszla in autumn colours, Wiltshire, UK

Mark Taylor / Golden Cocker Spaniel dog, Henry, age 3 years, jumping up.

Mark Taylor / Tricolour merle Collie puppy, Indie, age 10 weeks.

Mark Taylor / Patterdale terrier dog puppy, Korka, age 4 months.

Mark Taylor / Australian Shepherd pup, age 16 weeks, in play-bow stance.

Mark Taylor / Black-and-white Springer Spaniel puppy, age 6 weeks.

Mark Taylor / Black and white Jack-a-poo, Jack Russell cross Poodle, pup, 8 weeks old, jumping up.

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.

Klein & Hubert / Wirehaired Dachshund running in snow in French Alps, Haute-Savoie, France.

Klein & Hubert / Wire-haired dachshund in lavender field, Provence, France.

Klein & Hubert / Wirehaired Dachshund running on snow, Haute-Savoie, Alps, France.

Klein & Hubert / Wirehaired Dachshund running on snow, French Alps, Haute-Savoie, France.

Klein & Hubert / Tabby and white semi-longhaired kitten in defensive posture, arching back and fluffing up tail as two Border collie puppies approach, France.

Jane Burton / Sheltie and Dachshund dogs with their puppies.

Petra Wegner,Petra Wegner / Chihuahuas, mixture of longhaired and short-haired sitting in basket.

Mark Taylor / Beagle dog, Bruce, with ginger kitten, Tom. NOT AVAILABLE FOR BOOK USE

Mark Taylor / Black-and-white Border Collie bitch, with black-and-white tuxedo kitten, 10 weeks NOT AVAILABLE FOR BOOK USE

Mark Taylor / Black-and-white Border Collie bitch, with black-and-white tuxedo kitten, 10 weeks old. NOT AVAILABLE FOR BOOK USE

Mark Taylor / Black-and-white Border Collie bitch, with black-and-white tuxedo kitten, 10 weeks NOT AVAILABLE FOR BOOK USE

Yves Lanceau / Domestic dog, Shar Pei / Chinese fighting dog, two black puppies

Yves Lanceau / Domestic dog, Skye Terrier, portrait

Petra Wegner / Australian Shepherd, red-tri, close up of paw touching womans hand. Model released

Petra Wegner / Australian Shepherd, red-tri, close up of paw touching womans hand. Model released

Petra Wegner / Eurasier, head portrait.

Petra Wegner / Border Collie puppy, 13 weeks.

Petra Wegner / German Hound male, 6 months.

Petra Wegner / Border Collie puppy, 14 weeks, Australian red-white.

Petra Wegner / Eurasier, male, standing.

Petra Wegner / Small Munsterlander puppy, 7 weeks, against white background.

Petra Wegner / Tibetan terrier, sitting, portrait

Lynn M Stone / American Cocker spaniel, USA

Lynn M Stone / Beagle hound in wild purple Violets, Arcadia, Wisconsin, USA

Ernie Janes / Yellow Labrador with ball in its mouth against blue sky.

Lynn M Stone / Portrait of English Springer Spaniel (field type). Elkhorn, Wisconsin, USA, January.

Lynn M Stone / Yellow Labrador Retriever standing in glasswort against a blue sky. Monterey Peninsula, California, USA, February.

Mark Taylor / Blue Bearded Collie puppy, 3 months, yawning.

Mark Taylor / Tricolour Border Collie puppy.

Mark Taylor / Tricolour Border Collie puppy in play-bow.

Mark Taylor / Border Collie bitch, running towards the camera.

Mark Taylor / Black-and-white Border Collie looking at ginger kitten. NOT AVAILABLE FOR BOOK USE

Mark Taylor / Portrait of a Bulldog puppy sitting, 11 weeks.

Mark Taylor / Bulldog puppy, 11 weeks, rear view sprawled out and looking round.

Mark Taylor / Head portrait of a Bulldog puppy, 11 weeks.

Mark Taylor / Blue Bearcoat Shar Pei puppy, 13 weeks, sitting and looking up.

Mark Taylor / Bearcoat Shar Pei mother, with her Blue Bearcoat puppy, 13 weeks.