"Black bears are so timid today partly because they evolved alongside such powerful predators as saber-toothed cats, American lions, dire wolves and short-faced bears, all of which became extinct ...

"Black bears are so timid today partly because they evolved alongside such powerful predators as saber-toothed cats, American lions, dire wolves and short-faced bears, all of which became extinct ...

"Black bears are so timid today partly because they evolved alongside such powerful predators as saber-toothed cats, American lions, dire wolves and short-faced bears, all of which became extinct ...

"Black bears are so timid today partly because they evolved alongside such powerful predators as saber-toothed cats, American lions, dire wolves and short-faced bears, all of which became extinct ...

"Black bears are so timid today partly because they evolved alongside such powerful predators as saber-toothed cats, American lions, dire wolves and short-faced bears, all of which became extinct ...

"Black bears are so timid today partly because they evolved alongside such powerful predators as saber-toothed cats, American lions, dire wolves and short-faced bears, all of which became extinct ...

"Black bears are so timid today partly because they evolved alongside such powerful predators as saber-toothed cats, American lions, dire wolves and short-faced bears, all of which became extinct ...

“Our grizzlies today are very large-bodied, although they look petite next to skeletons and skulls of the giant short-faced bear,” Lambert said. “The assemblage of Pleistocene carnivoran predators was ...