John Cancalosi / Border Collie, herding sheep, Herefordshire, England, United Kingdom, January

TJ Rich / Sitting portrait of working chocolate Cocker spaniel {Canis familiaris} Wiltshire UK

David Pike / Boxer, head portrait, panting

David Pike / Boxer looking over closed door, standing on hind legs

David Pike / Boxer looking back over shoulder, portrait

Petra Wegner / White German Boxer, puppy with dark patch over one eye, 10 weeks

Petra Wegner / White German Boxer, puppy with dark patch over one eye, 10 weeks,

Petra Wegner / Bernese Mountain Dog in garden

Petra Wegner / Appenzell Mountain Dog standing

Petra Wegner / Appenzell Mountain Dog, head portrait

Petra Wegner / Appenzell Mountain Dog, sitting in garden