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.
Sun bear
The sun bear is the smallest of the bear species. Adults are about long and weigh . Males are 10–20% larger than females. Their muzzles are short and light-coloured, and in most cases, the white area extends above the eyes. Their paws are large, and the soles are fur-less, which is thought to be an adaptation for climbing trees. Their claws are large, curved, and pointed. The sun bear's claws are sickle-shaped; the front paw claws are long and heavy. The tail is long.