The Lakeland Terrier, also known as the Cumberland, the Fell, the Patterdale, and the Westmoreland terrier, is a breed of dog in the Terrier Group. This energetic and playful little terrier is a perfect family dog as they love to interact with children of all ages, and they will do fine in small homes and apartments as long as they are exercised properly. The Lakeland Terrier was AKC approved in 1991.