I heard the first bear was spotted at Yellowstone! Does the length or severity of the winter change the hibernation length, especially for bears?

Answered by Gregg Losinski – ESER Education Specialist and Human/Bear Conflict Expert Hibernation is a fascinating adaptation that many animals use to survive when harsh extremes are part of their environment. We think of hibernation in relation to cold, but there is a parallel process called estivation that occurs during very hot temperatures and allows…