The Cairn Terrier is the beloved breed that was featured in the movie, The Wizard of Oz. It was the movie that brought the breed to popularity and still is one of the most popular pets of the Terrier breed. The Cairn Terrier is a sturdy little dog that is high spirited and lively, and he showcases this by always walking high on his toes. He has a lot of great qualities that make him a great family pet, but there are things to know about the breed before you embark on adding one to your family. Since all breeds have their good points, and all have traits that may not be welcoming to you and your family or your lifestyle, learning about the breed is the best way to determine if this dog is the best for you.