While looks may be deceiving, the roommate told Newsweek she knows the animal is a Border collie mix based on the dog's energy.

Border collie life expectancy. A happy, healthy border collie can live between 12 and 15 years. As a medium-sized dog, they can have a longer lifespan than larger breeds.

A border collie-papillion mix named Nimble is the first mixed-breed dog, and also the smallest, to win the Westminster Kennel Club dog show's agility prize.

While the jobs for which many dogs were bred are now obsolete, the Border Collie is still a master of his trade. Border Collies were developed to work sheep (and cattle), with an innate herding ...