How many types of Greater Swiss Mountain Dogs are there?

The Greater Swiss Mountain Dog is one of four types considered under the bracket of “Sennenhund,” or Swiss dogs of herders and dairymen. They are the oldest of the four types, which includes the Greater Swiss, Bernese, Appenzeller, and Entlebucher. The Greater Swiss Mountain Dog was first recognized by the American Kennel Club in 1995. Though tough and powerful, this breed is also gentle and sweet.