Here are some examples:
* Black bears: These bears are found in North America and are known to use caves for hibernation and denning.
* Brown bears: These bears are found in North America, Europe, and Asia and often use caves for hibernation and raising cubs.
* Grizzly bears: A subspecies of brown bear, these bears are found in North America and also utilize caves for shelter.
* Polar bears: While they live in the Arctic, polar bears have been known to use caves in areas where they are available.
The presence of a bear in a cave is usually a sign of that bear using it for hibernation, denning, or shelter from harsh weather conditions.