It won’t come as a shock to hear that the most active of dogs usually do best in larger homes, with yards to run around and play in. Of course, even highly energetic dogs like Chihuahuas and border collies can adapt to a slightly different environment if they have someone special to exercise with every day. Many active dogs were originally bred to work as animal herders or hunting companions, which is why they really enjoy going outside and playing games like catch or tag. In many cases, active breeds such as German shepherds and Australian shepherd dogs do very well in agility competitions. Active dogs are great companions for high-energy people who can keep up!