"Black mixed breed dog running across a meadow, Germany, Europe"

Labrador Retriever running along a path

Labrador Retriever running along a path

"Rhodesian Ridgeback mixed breed dog running across a meadow, Germany, Europe"

"Rhodesian Ridgeback mixed breed dog running across a meadow, Germany, Europe"

Bernese Mountain Dog running along the beach

"Cocker Spaniel, dog running on a path, Germany, Europe"

"Young mixed-breed dog running down a staircase, Sankt Peter Ording, Sankt Peter Ording, Schleswig-Holstein, Germany, Europe"

Weimaraner running along a beach

German Shepherd running along the lakeshore

"Young mongrel dog running along beach, St. Peter-Ording, Eiderstedt, North Frisia, Schleswig-Holstein, Germany, Europe"

Parson Russell Terrier running along a pier

"Husky Munsterlander Labrador mixed-breed dog, black and white dog running through the water, Austria, Europe"

Two mixed-breed dogs running over a stubble field

"Mixed-breed dog, Old German Sheepdog and Dachshund mix, running through the snow, Satteldorf, Schwabisch Hall, Baden-Wurttemberg, Germany, Europe"

"Small white dog, spitz half-breed (Canis lupus familiaris), running in a meadow, male"

"French Bulldog, puppy running on a path"

"Small black dog running through a meadow, Wilhelmsburg, Hamburg, Hamburg, Germany, Europe"

"Young mongrel running across a harvested corn field, Brandenburg, Germany, Europe"

"Running dogs, Rhodesian Ridgeback and a Briard mongrel, on a meadow"

"Running dogs, Rhodesian Ridgeback and a Briard mongrel, on a meadow"

"A medium-sized female mongrel running across a harvested field, Brandenburg, Germany, Europe"

Mixed breed dog running along a path