"That's the thing about American black bears." One researcher thinks bears don't actually sleep when they hibernate. ... Essentially, staying alert during hibernation as a sort of defense mechanism.

For many bears, winter means hibernate or die. ... According to the North American Bear Center, ... according to a study on climate change’s effects on black bear hibernation.

A hibernating black bear in a manmade “hibernaculum,” a wooded area with straw for bedding, which mimicked a natural bear’s den. Photo courtesy University of Alaska Fairbanks. Understanding ...

American black bears are not always hibernating when they should be. Sometimes, they go in search of humans' food, and that's an even bigger problem.

North American adult male bears can weight up to 550 pounds, according DEEP’s website. During a hibernating period, a bear’s heart rate will slow down and their internal body temperatures will ...

(See pictures of Germany’s polar-bear celebrity.) First, they had to persuade state wildlife officials to let them have possession of five American black bears — two females and three males ...

Black bears are skilled anglers, moving with surprising stealth and grace before striking at an unsuspecting fish.

Black bears are waking up from hibernation this time ... A national celebration Wednesday of the Great American Rail-Trail Conservancy honors a nearly 4,000-mile multi-use stretch that includes ...

Black bears hibernate, sleeping their way through winter, and who can blame them? New research published in BioMed Central's open access journal BMC Physiology shows that, despite low heart rates ...

American black bears live only in North America, and spectacled bears are found only in South America. ... Bears hibernate for different amounts of time depending on how cold it is.

Don’t judge a bear by its temperature, or so suggests first-of-its-kind data on hibernation physiology. There’s something as-yet-unknown going on with black bear hibernation that slows ...

For many bears, winter means hibernate or die. Here's what they do to survive. Plus: how climate change puts newborn cubs in danger. For many bears, winter means hibernate or die.