Watch Again

Bears Eat Dirt?

Watch More
back to video

Bears Eat Dirt?

Short | 01:50

After months of hibernation, Yellowstone's grizzly bears immediately eat volcanic soil to jumpstart their digestive systems. The soil contains potassium and magnesium, which kill off parasites that cause diarrhea.

On TV

    • Wednesday
    • 8:00pm
    Jan 23
    • Wednesday
    • 11:00pm
    Jan 23
    • Sunday
    • 6:00am
    Jan 27

More About This show

Yellowstone National Park is home to a vast array of landscapes and a huge diversity of animals, united in a fascinating ecosystem, one that is currently in severe trouble. The area once contained over 19,000 elk, but its numbers have plummeted by 80% in the last two decades. The mysterious decline has sparked many questions, and researchers are in a race to provide answers. Join them as they investigate a series of theories and suspects, from wolves to bears to trees to trout, in an attempt to solve this alarming puzzle.

Ways to Watch

Buy this show from any of these distributors

Have Smithsonian Channel through your TV provider?

Watch this show online now.

Return to Video Page