Breed of dog. It was developed in the 19th century in Northumberland, Eng., and named for Bedlingtonshire, a mining district in the area. Initially established as a fighting dog and hunter of vermin, the breed later became a popular pet. Lamblike in appearance, it has an arched back, a topknot, and a thick, curly coat that is blue-gray, deep reddish brown, or pale sandy, often with tan markings. The breed stands 15–16 in. (38–40 cm) tall and weighs 22–24 lbs. (10–11 kg).