Warren Photographic Image Library of Animals in Action

WP00256 Lakeland Terrier x Border Collie, Bess seeing off her importunate younger brother, Henry, 5 months old.

Lakeland Terrier x Border Collie, Bess seeing off her importunate younger brother, Henry, 5 months old, white background

WP00256 Lakeland Terrier x Border Collie, Bess seeing off her importunate younger brother, Henry, 5 months old.

Puggle and mongrel dog

Tabby kitten rolling on his back

Naughty Tabby-and-white kitten

Tabby kitten on his back

Playful odd-eyed Tricolour Border Collie pup

Tabby cat rolling

Siamese cat playfully tormenting an Adder

Birman-cross kitten playfully rolling

Jack Russell x Bichon puppy playfully barking

Ginger kitten rolling playfully

Birman-cross kitten playfully rolling

Cockapoo puppy playfully biting the face of tabby kitten

Border Collie puppy lying playfully stretched out

Birman-cross kitten playfully rolling

Adult dogs

More than one Dog

Mixed breed dogs

Playful dogs

Adult Dogs only