Border Collies may be best known for herding sheep, but they should be just as well known for their incredible cuteness. Athletic and loyal as heck, you couldn't ask for a better family companion than these pups — and did we mention that the Border Collie is considered one of the smartest domestic dog breeds [1] out there? Even with their strong work ethic, these cuties still love to play, and that chill life is definitely not for them [2]. Just look at these precious Border Collie pics to see why we can't get enough of this fluffy, friendly, fiercely smart breed.