News Animals

These Arctic squirrels recycle bits of their own bodies to survive winter

The secrets of the animals’ metabolism during hibernation could someday help human medicine

Arctic ground squirrels

Hibernating in a state akin to suspended animation, Arctic ground squirrels (Urocitellus parryii) breathe just once a minute, and their hearts beat five times a minute.

Carla Frare, S. Rice

By Carolyn Wilke

- More than 2 years ago

Arctic ground squirrels can survive harsh winters with below-freezing temps by holing up for some eight months without eating.