repair and restoration theory
They have to hibernate when they get ready for winter.
they hibernate
In the winter
Brown bears hibernate in the winter because there isn't enough food.
hibernate
They hibernate
Bears Hibernate in the Winter so that they dont die
they hibernate for the winter.
Most hibernate but not all species-pandas don't.
Scientists have done many experiments and the result is that mostly all bears hibernate/sleep the whole winter. There are very few types of bears that do not hibernate the whole winter. The sloth bear, though, does sleep all winter.
because there is no food during winter
They hibernate in the winter when it is the coldest and food is scarce. Contrary to popular belief, not all bears go to sleep in the beginning of winter and emerge in the spring. Most bears will come out a few times during the winter but go back in to continue to hibernate.