Definitely the bear would win.
a bear
The black bear would win.
Bear takes this easily. They are much bigger and stronger. A Kodiak bear can crush the gorilla's skull.
Definitely the bear would win. A gorilla would only throw stones or sticks, and punch its chests to frighten off the bear. But the bear would swat the gorilla to death with its muscles and sharp claws. But if the gorilla threw stones or sticks at the bear, it would have a chance to injure it. Bears have larger canines, heavier weight, and stronger muscles with very powerful sharp, large claws. A gorilla does not punch or smash like humans do, which makes the bear kill the gorilla without too much pain.
The bear, probably, but the gorilla would make him earn it, as they are very powerful.
Ofcourse brown bear would win against a wolf one on one.
One on one, bear wins easily. Three gorillas would be even.
Bear. Bears are predatory by nature. Gorillas are not, and thus can be seen as prey by a bear.
depends on the environment
Sun bear is too small and would be killed. A sloth bear would be a very even match. Black bears, grizzly bears, brown bears, and polar bears would be too much for silverback gorillas.
A brown bear and a large male black bear would win over a boar.