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.
American black bear
In the state of California, studies have indicated that the average mass is in adult males and in adult females. Adult American black bears in Yukon Flats National Wildlife Refuge in east-central Alaska were found to average in males and in females, whereas on Kuiu Island in southeast Alaska (where nutritious salmon are readily available) adult American black bears averaged an estimated . In Great Smoky Mountains National Park, adult males averaged and adult females averaged per one study. In one of the largest studies on regional body mass, bears in British Columbia averaged in 89 females and in 243 males. In Yellowstone National Park, a population study found that adult males averaged and adult females averaged . Black bears in north-central Minnesota averaged in 163 females and in 77 males. In New York, the two sexes reportedly average and , respectively. It was found in Nevada and Lake Tahoe region that black bears closer to urban regions were significantly heavier than their arid-country dwelling counterparts, with males near urban areas averaging against wild-land males which averaged whereas peri-urban females averaged against the average of in wild-land ones. In Waterton Lakes National Park, Alberta adults reportedly averaged . Adults typically range from in head-and-body length, and in shoulder height. The typically small tail is long. Although they are the smallest bear species in North America, large males exceed the size of other bear species, except the brown bear and the polar bear.