Secrets of Marmot Hibernation

Clip: Season 39 Episode 8 | 2m 41s | Video has closed captioning.

A family of marmots prepares for their upcoming hibernation in a den 6 feet underground. As they prepare for their 6-month sleep, marmots dramatically lower their body temperature and survive on their body’s storage of fat and water. They only wake once every 2 weeks to rev up their heartbeat and visit a nearby tunnel used as a toilet.

Aired: 01/20/21

Rating: NR

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Secrets of Marmot Hibernation

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