Kodiak bear
An average adult male measures in length, and stands tall at the shoulder. The largest recorded wild male weighed , and had a hind foot measurement of . A large male Kodiak bear stands up to tall at the shoulder, when it is standing on all four legs. When standing fully upright on its hind legs, a large male could reach a height of . The largest verified size for a captive Kodiak bear was for a specimen that lived at the Dakota Zoo in Bismarck, North Dakota. Nicknamed "Clyde," he weighed when he died in June 1987 at the age of 22. According to zoo director Terry Lincoln, Clyde probably weighed close to a year earlier. He still had a fat layer of when he died.
Short-faced bear
In a recent study, the mass of six "A. simus" specimens was estimated, one-third of them weighed about , the largest being UVP 015 at , suggesting specimens that big were probably more common than previously thought. It stood tall on hind legs while a large specimen would have been tall with a 14-foot (4.3 m) vertical arm reach. When walking on all fours, it stood high at the shoulder: It was tall enough to look a man in the eye. At Riverbluff Cave, Missouri, a series of claw marks up to 15 feet (4.57 m) high have been found along the cave wall indicating short-faced bears up to 12 feet (3.66 m) tall.