The German Shepherd (German: Deutscher Schäferhund, German pronunciation: ) is a breed of medium to large-sized working dog that originated in Germany. Since that time, however, because of their strength, intelligence, trainability, and obedience, German Shepherds around the world are often the preferred breed for many types of work, including disability assistance, search-and-rescue, police and military roles and acting. The German Shepherd is the second-most registered breed by the American Kennel Club and seventh-most registered breed by The Kennel Club in the United Kingdom. German Shepherds are a popular selection for use as working dogs. German Shepherds are a popular selection for use as working dogs.