The Coppingers explore how dog breeds have evolved into their unique shapes and behaviors. Concentrating on five types of dogs--modern household dogs, village dogs, livestock guarding dogs, sled dogs, and herding dogs--they examine canine companions from a unique biological viewpoint. 30 photos.

The Coppingers explore how dog breeds have evolved into their unique shapes and behaviors. Concentrating on five types of dogs--modern household dogs, village dogs, livestock guarding dogs, sled dogs, and herding dogs--they examine canine companions from a unique biological viewpoint. 30 photos.