humans
Yes because they are enemies.
Only man and larger bears.
The grey wolf (in packs) the mountain lion,other grizzly bears,and man.
people
Brown bears have no natural enemies except man. Cubs are sometimes killed by pumas and male bears, but healthy adults fear only man and each other.
Brown bear have few enemies. Their competitors are usually wolves and possibly grizzly bears. Human beings are perhaps their greatest enemy.
Grizzly bears are vertebrates.
Grizzly Bears are not extinct.
grizzly bears are in lots of danger
Yes, grizzly bears are mammals.
Grizzly Bears have caves as homes.
No. Grizzly bears are a subspecies of Brown bears, so that although all Grizzly bears are Brown bears not all Brown bears are Grizzly bears.