Could a black bear kill a bull shark?

Thanks for the A2A. Possibly. Bull sharks can survive in brackish water that comes from the sea. They occasionally show up in a river or estuary or even lakes that have an outlet to the sea. read more

No a black bear could not kill a bull shark based on bite force. A bear's bite is 744.3 newtons, whereas a sharks' is 6,000 newtons. Their bite is even stronger than a great white's. read more

At some point in the morning, still having failed to flush out a deer, Jack moved into a small clearing and surprised a female black bear with a cub. Now, a male black bear will often simply wander away if there’s a clear path of escape, or sometimes just ignore you. A mama bear, however, reacts almost universally in one way: she charged. read more