I never thought about it but it makes sense. If you’re shooting at a bear to end an attack pray that you hit bone and not a vital organ. Weird. The energy from the bullet hitting bone will knock the bear on its ass whereas a fatal organ shot just pisses it off until it finally dies with you half way down its throat.
It is all about displacing energy in the bear. If the bullet passes through the bear much of that energy is lost.
And bone splinters all through the body causing more damage. That's why African big game hunters aim for the shoulder of lions, etc.
2 rounds of .375 point blank basically, and both were 'mortal' wounds, and she was still playin rag doll until the third round knocked her down...unreal...
Bullets don't have that much momentum. A charging grizzly has about 500 times the momentum of a .375 rifle bullet. You can hit a bone and the bear can no longer support its weight. You can hit the brain, spine or other important nerve and get some reflex action dropping the bear. But a rifle bullet's momentum will turn 1200 pounds of bear meat moving at 30 mph into 1200 pounds of bear meat moving at 29.9 mph.
Mythbusters had an interesting show where they shot pig (I think) carcasses to show how little the meat actually moves when hit by a bullet without a neurological spasm in a live animal.