this post was submitted on 12 Feb 2026
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If lack of food triggers it, what triggers the bears to come out of torpor?
The sound of running squirrels, I guess.
Jokes aside, maybe the smell and environment turning from winter to spring. They mention these happen to black and brown who are omnivorous, so smell of food that's easily accessible is most likely. Just a guess.
sun energy is a form of energy. Sun warms the blood, so they body can spare itself that effort