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All Posts Tagged With: "hibernation"

Christmas in Yellowstone: Video: Hibernating Bear

This grizzly bear is not sleeping. She's been in a state of hibernation since November.

Dec 20th, 2011 | Comments

Christmas in Yellowstone: Photo Essay: Building a Bear Den

To film a bear in hibernation, NATURE took on the challenge of creating a den which would resemble one a grizzly would make in Yellowstone.

Dec 17th, 2010 | Comments

Christmas in Yellowstone: Animals That Hibernate

Hibernation is a state of winter dormancy, a period of inactivity in which an animal will conserve energy by maintaining a lowered body temperature.

Dec 17th, 2010 | Comments

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