* Different lifestyles: Polar bears live in the Arctic and are primarily adapted to hunting seals on sea ice. Black bears live in forests and are omnivores, eating berries, plants, and occasionally small animals.
* Different temperament: Polar bears are highly specialized predators, known for their powerful size and hunting skills. While they are typically solitary and avoid humans, they can be dangerous if they feel threatened. Black bears, on the other hand, are more often opportunistic feeders and are less aggressive towards humans unless provoked.
* "Nice" is subjective: "Nice" is a human concept that doesn't really apply to wild animals. Animals act based on their instincts and needs for survival. Both polar and black bears can be dangerous if they feel threatened.
In summary:
* Neither polar bears nor black bears are inherently "nicer" than the other.
* Both species have different behaviors and adaptations based on their environments.
* It's important to be respectful of both species and to understand that they are wild animals and can be dangerous.
If you're interested in learning more about either species, I encourage you to do some research on their behaviors and ecosystems.