In a way, bears don't truly hibernate, but rather experience a less absorbing phase called torpor, during which they don't eat, drink, or move much.
There is some debate amongst professionals as to whether grizzly bears technically hibernate.
He argued, incorrectly, in his report that black bears at the time would have been hibernating 12 days before the attack occurred.
"I thought bears hibernated in the winter," she said fearfully.
Asian black bears do not hibernate over most of their range.
Many believe that the bear hibernates during the whole winter and subsists by mechanically sucking its paws.
Trappers set out to the bear caves at the end of winter, while the bears are still hibernating.
In the hills across the Hudson the bears had hibernated anc lay sleeping under their earthen and icy blanket.
American black bears usually hibernate during winter.
Some bears hibernate, that means they sleep during the winter to save energy.