Asian black bear
Along with sun bears, Asiatic black bears are the most typically used species in areas where bears are either used in performances or as pets. Asian black bears have an outstanding learning ability in captivity, and are among the most common species used in circus acts. According to Gary Brown:
Kodiak bear
Physiologically, the Kodiak bear is very similar to the other brown bear subspecies, such as the mainland grizzly bear ("Ursus arctos horribilis") and the now-extinct California grizzly bear ("U. a. californicus"†), with the main difference being in size. While there is generally much variation in size between brown bears in different areas, most usually weigh between 115 and 360 kg (254 and 794 lb). The Kodiak bear, on the other hand, commonly reaches sizes of , and has even been known to exceed weights of . Despite this large variation in size, the diet and lifestyle of the Kodiak bear does not differ greatly from that of other brown bears.