10 Rare Dog Breeds From Around the World

Thai Ridgeback

Thai Ridgebacks are medium-large dogs, weighing 35 to 75 pounds. According to the American Kennel Club, their short coat has four color variations of black, blue, red and fawn. The breed is estimated to be over 4,000 years old, and less than 300 of them in the U.S. today. Intelligent and clean, they make good companions but require daily exercise. Prices range from several hundred to several thousand dollars.