Black Bears (Ursus Americanus) are pretty timid animals, and more often than not, when startled they'll retreat towards the forest and will often use their well-adapted claws to escape into a tree. read more
And black bears have no defense against a Conservation Officer’s rifle. But back to the original question: Black bears also have an amazing sense of smell so they can smell danger from a great distance and simply run in the opposite direction. “the average dog’s sense of smell is 100 times better than a humans. read more
The primary way black bears defend themselves is by avoiding danger. When they cannot avoid danger, their first response is to climb a tree. Black bears are remarkable climbers and the only bear species in North America that do so as adults, although their climbing ability declines with age. read more