They also feed on insects, honey, birds, and other small animals. These food raids often lead to conflicts with people. Very little is known about the sun bear's breeding biology. Young may be born throughout the year, perhaps coinciding with the fruiting times of important trees. About three months after mating, female sun bears give birth to one or two young.
Cubs stay with their mothers until adulthood.
The sun bear's longevity in the wild is unknown, but individuals have lived up to 25 years in zoos. Active mostly at night, the sun bear likely spends much of its time searching for fruits and insects. It likely sleeps in trees, and often climbs in search of food, using its long claws to tear into bee nests and termite mounds. The most docile of the bears, sun bears are often captured when young and kept as pets, to their detriment. Depending upon where sun bears live, one of these tiger subspecies may share the same forest, and periodically prey on the bears.