The Most Loving and Loyal Dog Breeds

The Legendary Collie

At one point in time, the Collie was the most popular breed in the world. And while they aren’t as popular as they were during the “Lassie” craze, they remain among the 10 most popular kinds. This popularity comes down to a few facets of their unique character. First, Collies are by far the smartest dogs and the easiest to train.