Yellowstone staff locates grizzly bear tracks and a photographer captures footage of a bear out of hibernation. Time for ...

The National Park Service on Wednesday reported fresh grizzly tracks have been spotted in the northern section of Yellowstone ...

A nonprofit that monitors wild horse populations in Alberta, Canada, on Saturday shared dramatic trail-cam footage of wild ...

Hibernation in bears is a fascinating process and scientists are still learning about it. Here's everything we know so far.

USFWS announced the extension of its comment period on its proposed rule for the species’ management, and legal experts and scientists are weighing in, detailing the mounting human-caused threats to ...

Yellowstone National Park staff observed grizzly bear tracks in the northern part of the park on March 9.Yellowstone officials are warning all visitors to stay ...

As spring eases in, bears in Yellowstone National Park have begun to emerge from hibernation, presenting safety ...

MONTANA - Grizzly bears are emerging from hibernation in Yellowstone, prompting park rangers to urge visitors to exercise ...

The grizzly bear is so named because its hair is grizzled ... but their numbers were vastly reduced by western expansion. MIGRATION: Grizzlies hibernate rather than migrate. Males disperse to set up ...

Grizzly bear range is a sliver of what it used to be ... When grizzlies first come out of torpor, or the state of near-hibernation they exist in throughout the winter, Jonkel says, grizzly bears ...

For example, according to Yellowstone Bear World, Alaskan brown bears often hibernate the longest, whereas a grizzly bear may only hibernate for two to five months. Bears in warmer climates can ...