Nick Garbutt / Green-and-Black Poison Dart Frog (Dendrobates auratus) inside bromiliad where it breeds. Boca Tapada, Caribbean slope, Costa Rica, Central America.

Klein & Hubert / Large white x Pietrain pig in meadow, France

Klein & Hubert / Large white x Pietrain young pigs foraging in a meadow in summer, France

Klein & Hubert / Large white x Pietrain pigs, in meadow, France

Mark Taylor / Cockapoo, Cocker spaniel cross Poodle puppy sitting.

Mark Taylor / Cockapoo, Cocker spaniel cross Poodle puppy on hind legs.

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

Jane Burton / Cocker spaniel x poodle (Cockapoo) cross puppies resting with parents.

Jane Burton / Pug x Shih-tzu (Pugzu) cross puppies with parents.

Jane Burton / Sheltie and Dachshund dogs with their puppies.

Mark Taylor / Cute chocolate Toy Goldendoodle puppy in play-bow.

Mark Taylor / Black Maine Coon kitten and cute Doxiedoodle puppy. NOT AVAILABLE FOR BOOK USE

Ernie Janes,Ernie Janes / Yellow Labrador jumping breakwater, Norfolk. April

Will Watson / Black Welsh Mountain sheep portrait, Herefordshire, UK

Alex Hyde / Highland cow on heather moorland, Curbar Edge, Peak District National Park, Derbyshire. August.

Wild Wonders of Europe / Widstrand / Ganado bravo, fighting bull portrait, Ciudad Rodrigo, Salamanca Region, Castilla y Leon, Spain

Ernie Janes / Long Horn cattle in meadow, Norfolk, UK July

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions greeting one another, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

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

Peter Cairns / 2020VISION / Bass Rock at dawn, North Berwick, Scotland, UK, August. 2020VISION Book Plate. Did you know? Approximately an eighth of the world's Northern gannet population breeds on Bass Rock.

Yves Lanceau / Domestic cat, Sphynx, male, 2 years, standing portrait.

David Tipling / 2020VISION / Manx Loaghtan Sheep (Ovis aries) used for grazing on unimproved grassland on Minsmere RSPB Reserve, habitat for breeding Stone Curlews, Suffolk Sandlings, Suffolk, UK, February 2011

David Tipling / 2020VISION / Manx Loaghtan Sheep (Ovis aries) used for grazing on unimproved grassland on Minsmere RSPB Reserve, habitat for breeding Stone Curlews, Suffolk Sandlings, Suffolk, UK, February 2011

Aflo / Group portrait of a variety of dog breeds, including Welsh Corgi, Toy Poodle, and Dachshund sitting on staircase, with young boy

Petra Wegner / Group portrait of five dogs sitting, from left to rt: two mongrels, Rough Collie, Bobtail (Old English Sheepdog) and longhaired Chihuahua.

Petra Wegner / Group portrait of five dogs sitting, from left to rt: two mongrels, Rough Collie, Bobtail (Old English Sheepdog) and longhaired Chihuahua.

Petra Wegner / Bobtail / Old English Sheepdog, lying with a longhaired Chihuahua, tan and white coated.

Petra Wegner / Bobtail / Old English Sheepdog, sitting alongside a longhaired Chihuahua, tan and white coated.

Petra Wegner / Great Dane, black coated bitch, and Magyar Vizsla /Hungarian Pointer, tan coated male, double portrait in profile together.

Mark Taylor / RF- Two Miniature Goldendoodle puppies (Golden retriever x Miniature Poodle cross), 7 weeks, one lying across the other. (This image may be licensed either as rights managed or royalty free.)

Petra Wegner / Ruby Cavalier King Charles Spaniel puppy, 7 weeks

Petra Wegner / Domestic dog, Welsh Terrier with sleeping puppy, 7 weeks

Jane Burton / Cream kitten with cream dapple Dachshund puppy NOT AVAILABLE FOR BOOK USE

Jane Burton / Cream kitten with cream dapple Dachshund puppy. NOT AVAILABLE FOR BOOK USE

Jane Burton / Ragdoll kitten with West Highland White Terrier puppy. NOT AVAILABLE FOR BOOK USE

Jane Burton / British Shorthair brown tabby female kitten looking inquisitively at young agouti 'windmill ears' rabbit NOT AVAILABLE FOR BOOK USE

Jane Burton / Ginger kitten with Golden Cocker Spaniel puppy. NOT AVAILABLE FOR BOOK USE

Jane Burton / Fawn Dutch rabbit with sleeping Sable-and-white Border Collie pup. NOT AVAILABLE FOR BOOK USE

Lynn M Stone / Labrador retriever dog in lake {Canis familiaris} Illinois, USA

Lynn M Stone / Beagle running through snow {Canis familiaris} USA

Geoff Scott-Simpson / Black labrador sitting {Canis familiaris} Cheshire, UK

Lynn M Stone / Dachshund dog puppies - smooth haired (left) and wire haired (right)

Niall Benvie / Male Burmese blue cat 'Boris' sitting on balustrade. England (This image may be licensed either as rights managed or royalty free.)

TJ Rich / Black and white mongrel sitting amongst Bluebells, portrait. Gopher Wood SSSI, Marlborough Downs, Wiltshire, England, UK. May.

Chris Mattison / Narrow-mouthed frog (Cophyla tuberifera) on Pandan (Pandanus sp) leaf. Frog lives and breeds in the leaf axils. Ranomafana National Park, Madagascar.

Lynn M. Stone / Corgi standing amongst flowers, USA.

Lynn M. Stone / Two Corgis standing amongst flowers, USA.

Lynn M. Stone / Chow Chow portrait, USA.