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.

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

Solvin Zankl / Head portrait of a German Shepherd, panting

Stephen Dalton / Close up of eye of Domestic dog, Alsatian or German shepherd breed, UK

Mark Raycroft / German Shepherd (Canis familiaris) puppies, North America

Mark Raycroft / German Shepherd (Canis familiaris) adult resting in snow

Mark Raycroft / German Shepherd (Canis familiaris) adult standing with paw on red fire hydrant

Mark Raycroft / German Shepherd (Canis familiaris) close-up portrait of adult

Mark Raycroft / German Shepherd (Canis familiaris) portrait of adult laying in field of dandelions

Philippe Clement / Dog owner with tennis ball launcher playing fetch on the beach with two Berger Blanc Suisse dogs / White Swiss Shepherds

Philippe Clement / Two Berger Blanc Suisse dogs / White Swiss Shepherds, white form of German Shepherd dog, running after tennis ball on beach

Philippe Clement / Two Berger Blanc Suisse dogs / White Swiss Shepherds, white form of German Shepherd dog playing fetch with tennis ball on the beach

Lynn M. Stone / German Shepherd standing in autumnal woodland. Mohawk State Forest, Connecticut, USA. October.

Lynn M. Stone / Long-haired German Shepherd Dog cooling down, standing in water with tongue out. Illinois, USA.

Lynn M. Stone / Long-haired German Shepherd Dog cocking head, standing in water to cool down. Illinois, USA.

Lynn M. Stone / Long-haired German Shepherd Dog lying down in grass, reflected in water. Illinois, USA.

Lynn M. Stone / German shepherd dog head portrait, in spring foliage, Illinois, USA.

Lynn M. Stone / German shepherd dog sitting amongst spring foliage, Illinois, USA.

Lynn M. Stone / Black German shepherd dog standing in salt marsh with red Glasswort, Connecticut, USA. October.

Lynn M. Stone / German shepherd dog (long hair variety) by autumn leaves, Connecticut, USA.

TJ Rich / German Shepherd cross, rescue dog, shaking water in river, Derbyshire, UK

TJ Rich / German Shepherd cross portrait, Derbyshire, UK

Lynn M. Stone / German Shepherd head portrait , Clinton, Connecticut, USA . Non-ex.

Lynn M. Stone / German Shepherd dog lying among daffodils, USA.

Lynn M Stone / RF - Head Portrait of domestic German shepherd dog in woods. Tolland, Connecticut, USA. December. (This image may be licensed either as rights managed or royalty free.)

Lynn M Stone / German Shepherd Dog in wintertime woods, Tolland, Connecticut, USA

Lynn M Stone / German Shepherd Dog in wintertime woods, Tolland, Connecticut, USA

Lynn M Stone / German Shepherd Dog by swale, Tolland, Connecticut, USA

Mark Taylor / German Shepherd Dog puppy, age 8 weeks, walking across.

Mark Taylor / German Shepherd Dog puppy, age 8 weeks, walking.

Mark Taylor / German Shepherd Dog puppy, age 8 weeks, walking.

Mark Taylor / German Shepherd Dog puppy, age 8 weeks, walking.

Mark Taylor / German Shepherd Dog puppy, age 8 weeks, walking.

Mark Taylor / German Shepherd Dog puppy, age 8 weeks, standing.

Mark Taylor / RF- German Shepherd Dog puppy, age 8 weeks, looking up. (This image may be licensed either as rights managed or royalty free.)

Cyril Ruoso / Blue and yellow macaw (Ara ararauna) captive bird playing with German shepherd dog, Amazon, Peru.

Lynn M Stone / German Shepherd Dog resting in grassland, Canterbury, Connecticut, USA

Lynn M Stone / German Shepherd Dog resting in dandelions, Canterbury, Connecticut, USA

Lynn M Stone / German Shepherd Dog portrait by woodland, Canterbury, Connecticut, USA

Lynn M Stone / German Shepherd Dog portrait, Canterbury, Connecticut, USA

Lynn M Stone / German Shepherd Dog portrait, Canterbury, Connecticut, USA.

Lynn M Stone / German Shepherd Dog panting among dandelions, Canterbury, Connecticut, USA. Non-ex

Mark Taylor / White German Shepherd Dog, age 5 years.

Mark Taylor / German Shepherd Dog bitch puppy age 14 weeks.

Florian Möllers / Dutch shepherd and Malinois Herder crossbreed playing with frisbee, Germany, September.

Florian Möllers / Giant Schnauzer x Hovawart dog and Maliois Herder x Dutch shepherd playing tug of war with Frisbee, Germany, September.

Florian Möllers / Giant Schnauzer x Hovawart dog and Maliois Herder x Dutch shepherd playing tug of war with Frisbee, Germany, September.