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:
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.