Did you know…The American black bear can hibernate for as long as 100 days? | SierraSun.com

Did you know…The American black bear can hibernate for as long as 100 days?

Bonanza Photo file photo/Jen Schmidt

Black bears, like the ones found in the Truckee-Tahoe area, can go without food, water, urination, defecation or exercise for up to 100 days.

In the fall, bears begin preparations by gaining as much as 30 pounds per week.

The insulating ability of the bear’s fur also doubles in the autumn, preparing them for the lack of activity and cold temperatures of winter.

The bear can doze for months with a body temperature of 88 degrees, within 12 degrees of summer levels.

Heart rates can drop to as low as eight beats per minute in torpor.

Raccoons, skunks, chipmunks and even bats also hibernate.

” Information from http://www.pbs.org

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