The Dandie Dinmont Terrier is a small and unique dog breed known for its distinctive appearance, affectionate nature, and independent spirit. These dogs typically weigh between 18 to 24 pounds and stand around 8 to 11 inches tall at the shoulder. The Dandie Dinmont Terrier has a long body, short legs, and a distinctive "topknot" of hair on the head. Their coat is double-layered, with a soft undercoat and a wiry outer coat that comes in shades of mustard or pepper, often with white markings.