Mostly just humans, bacteria, viruses, natural conditions. Young cubs are sometimes killed by mature male bears - the mother bear takes great care to protect them from all male bears, sometimes from their own (unknown) father. Sometimes bears are killed by other bears in territorial disputes, but those battles are rarely fatal. A very ill or severely weakened bear might be prey to other large predators, like wolves or cougars, but that's rare, since other predators will have learned to avoid them. Usually if a bear is in any fight with any animal, the opponent will most likely be clawed by the bears razor claws. Also, if the mother is trying to protect the cubs, she will sometimes pick them up in her mouth and run from the male.
Adult black bears do not have any predators.
the LA Black Bear, like all bears is an apex predator, and has no natural predators aside from humans.
All bears are predators, including black bears.
Brown bears hunt black bears.
Adult black bears do not have any predators.
Bears have no natural predators, they are at the top of their food chain so they are predators. Bears have no natural predators, they are at the top of their food chain so they are predators.
Black bears, grizzly bears and wolf packs will occasionally attack and kill cougars.
Some predators are: polar bears, humans and possibly a few bigger whales.
They are not Exactly predators, more like natural enemies.
because a conivore is and they are meant to be out side not in you houses
In the wild, black bears are primarily eaten by larger predators such as wolves, mountain lions, and occasionally other bears.
Wolves, cougars and bears, mainly.