Border collies top smart dog list

THEY both have four legs, a tail and a fur coat but Fly the border collie and Chiffon the afghan hound could not be more different.

Just a few genes define the diversity of dogs

The difference between a pug's smashed schnoz and the narrow muzzle of a dachshund depends on just one small segment of genes, according to a new study. Dog - Pets - Breeds - Recreation - Dachshund