This particular breed is still considered rare, especially in the United States. Most of the country's population is descended from sheep imported over the last 30 years. In a relatively short amount of time the British and American populations have diverged, with the British stock being larger.
Jacob Sheep are considered a threatened breed, due to their low numbers and the risk of mixing with other breeds. Less than 1,000 Jacob Sheep are registered in the United States each year.
Status : Threatened by the American Livestock Breeds Conservancy
Location : Originally from the Middle East, then England. Now found worldwide
Size : Weights - females 80-120lbs (36-54kg), males 120-180lbs (54-81kg)
Classification : Phylum Chordata -- Class : Mammalia -- Order : Artiodactyla
Family : Bovidae -- Subfamily : Caprinae -- Genus : Ovis -- Species : O. aries