Nature

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

Buy Now:

Problems Playing Video? | Closed Captioning

Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, the Kate W. Cassidy Foundation, Sue and Edgar Wachenheim III, …

Green Up Your Inbox

NATURE NEWSLETTER

Green Up Your Inbox

Subscribe to the weekly NATURE newsletter and be the first to hear about the latest episodes, animal videos, conservation news, citizen science projects, educational resources and much more!

Subscribe