Several fearsome predators live in our National Parks, but do you know just how big the biggest grizzly bear to ever roam ...

The largest grizzly bear ever recorded weighed more than a moose, which is an incredible feat considering that moose are one ...

Grizzly bears are known to be aggressive when defending cubs or cached food, but the bulk of their diet comes from foraging. Is the polar bear the strongest bear? Yes. They’re the largest bear ...

Today, nearly 1,000 grizzly bears inhabit the Greater Yellowstone Ecosystem, including Yellowstone National Park and a ...

A grizzly bear, Ursus arctos horribilis ... family of cubs and their mother were killed by one of the grizzly’s biggest threats in the region: trains. “She was one of the only grizzly bears ...