That’s why herding dogs are generally among the smartest ... Great Pyrenees Dogs, often called “Pyrs,” are enormous white dogs bred to protect sheep from wolves on snowy mountaintops ...

Originally bred as herding dogs by Norse settlers (and still excellent ... brown, and grey with white markings. Icelandic Sheepdog Size Icelandic sheepdogs are medium-small dogs, 16.5 to 18 ...