Researchers have long assumed that the timing of American black bear (Ursus americanus) annual hibernation mostly depends on temperature. A team from Virginia Tech investigated how temperature and ...

Though winter is usually thought of a "slow" time for bears—a time in which they are hibernating in their winter dens, sleeping though most of the winter chill—this ignores the literal labor that most ...

New research from Virginia Tech scientists in the College of Natural Resources and Environment provides fresh insight into ...

During hibernation, brown bears spend up to six months lying almost completely still, without eating, drinking or exercising. When spring arrives, they leave their dens with their muscles largely ...

While it may seem unusual, be assured that the early awakening from hibernation isn’t just confined to British Columbia’s bears. From Finland to Yellowstone National Park and Virginia and beyond, mild ...

If you're talking to a scientist, try not to use the words "bear" and "hibernate" in the same sentence. It's common knowledge that bears enter a deep sleep during winter, but what's the proper ...

The bears give blood samples, have their blood pressure measured, are given ultrasounds and echocardiograms. Some of the bears are trained to stick a limb out of the cage to be tested, even as they ...

Bears across Europe are competing, not for food or mates, but for who can sleep the longest. Inspired by March Madness, March Napness is an annual bracket-style tournament where hibernating bears ...

Utah biologists took an expedition over the weekend into remote areas of the mountains to check on the condition of hibernating bears. They wanted to see if the bears had babies, check on their health ...

SALT LAKE CITY — Each spring, a grizzly bear emerges from its den after months of deep hibernation — having eaten nothing, barely moved and slowed its heart and metabolism to a crawl. Yet it wakes up ...

An apex predator, doting mother, and winning survivalist — bears are known for it all. Eight species of this animal exist throughout the world, all of which are found in North and South America, Asia, ...

Every spring, as days in the north stretch longer and melting snow trickles into streams, drowsy animals ranging from grizzlies to ground squirrels start to rally from hibernation. It’s tempting to ...