Bears emerge from their dens in the spring and linger for several weeks. They are not known to reuse the den in the future.

The Montana Fish, Wildlife and Parks did not immediately respond to USA TODAY's question Tuesday about whether the mama bear may have been defending her cub. The agency said that grizzly bear ...

A brave little grizzly bear cub was spotted exploring Yellowstone National Park with its mom. Screenshot of MontanaWild_'s video on Instagram A tiny grizzly bear cub was spotted exploring ...

"Later that day I saw mom and two cubs sitting outside the den. I’ve seen many people walking, riding bike, and jogging in that area, so I thought people should be made aware of these bears and ...