All bears can easily hit animals over 1 block high fence, but they can't jump over fences. Brown bears, black bears and pandas can easily escape of a 3 blocks deep pit. Polar bear and sun bear can only jump 2 blocks [1]. Polar bear can swim faster than other bears [2].
- ↑ Jump height for polar and sun bears have been modified since v1.19.0
- ↑ Since v1.19.0