Not too big,not too small: These dogs are the definition of a happy medium, and probably why they show up on our list of most popular dogs year after year. A medium-sized dog can fit into almost any lifestyle. The various breeds range from low energy to active and athletic, so you can find the perfect mid-sized dog breed for your lifestyle. Learn more about what is the medium dog breeds and all the medium dog breeds in the world on our website for free!
German Pinscher
He's a strong watchdog, has lots of energy, and he's devoted to his family as long as small mammals aren't ...