nicholas
the LA Black Bear, like all bears is an apex predator, and has no natural predators aside from humans.
The black bear's only predators are humans.
A grizlzly bear. Grizzlies are actually natural predators of black bears. Grizzlies are larger and heavier and, by nature, more agressive.
People.
Adult black bears do not have any predators.
Normally, large predators tend to avoid each other. The cat would be too fast for the bear, but the bear more powerful. Chances are, the puma would relinquish the field to the bear. Unless, in defense of her young.
Whales have no natural predators.
Yes, black bears are found in Florida. In fact, there is a certain type of black bear known as the Florida Black Bear, though I do not know if there are any differences whatsoever between the Florida Black Bear and a general black bear found across the United States.
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.
The asiatic black bear's main enemy are humans. Tigers do prey on asiatic black bears, but it happens on rare occasions.
The Kermode, or Spirit bear, is a genetic subset of the American black bear. It faces the same dangers as any black bear. Grizzlies have occasionally killed black bears, but the main danger any bear faces is loss of habitat, human encroachment, poaching. The Kermode is protected from human hunting in British Columbia. See http://en.wikipedia.org/wiki/Kermode_bear
Siberian tigers and brown bears occasionally prey on asian black bears. Leopards are known to prey on asian black bear cubs.