The German Shepherd (German: Deutscher Schäferhund, German pronunciation: [ˈʃɛːfɐˌhʊnt]) is a breed of large-sized working dog that originated in Germany. The breed's officially recognized name is German Shepherd Dog in the English language, sometimes abbreviated as "GSD", and was also formerly known as the Alsatian and Alsatian Wolf Dog in Britain.The German Shepherd is a relatively new breed of
dog, with their origin dating to 1899. Since that time, however, because of their strength, intelligence, train ability and obedience, German Shepherds around the world are often the preferred breed for many types of work, including assistance, search-and-rescue, police and military roles, and even acting.The German Shepherd is the second-most popular breed of dog in the United States and fourth-most popular in the United Kingdom. German Shepherds are large-sized dogs. The breed standard height at the withers is 60–65 cm (24–26 in) for males and 55–60 cm (22–24 in) for females.The weight standard is 30–40 kilograms (66–88 lb) for males and 22–32 kilograms (49–71 lb) for females.They have a domed forehead, a long square-cut muzzle and a black nose. The jaws are strong, with a scissor-like bite. The eyes are medium-sized and brown with a lively, intelligent and self-assured look. The ears are large and stand erect, open at the front and parallel, but they often are pulled back during movement. They have a long neck, which is raised when excited and lowered when moving at a fast pace. The tail is bushy and reaches to the hock.