These Are the Pups That Top the List of Smartest Dog Breeds

3) Old English Sheepdog

According to Your Purebred Puppy, Old English Sheepdogs are sociable, good-natured pets that thrive around people and are demanding of attention. They are impeccable watchdogs, and thrive in situations where they must protect someone or something. But be warned, they can become unhappy and destructive when left without companionship.

Height: 21-22 inches

Weight: 60-100 pounds

Life expectancy: 10-12 years