Black Bear Hibernation: Bearing the Cold of Winter
The mother dozes off and on for the rest of the winter as her cubs feed, grow fat, and wait for spring. This article by Jacqueline Stuhmiller originally appeared in the Winter 2016-2017 issue of our quarterly print newsletter, The Land Steward.
Do Black Bears Hibernate? - North American Bear Center
Black bears are now considered highly efficient hibernators. Hibernators the size of chipmunks hibernate differently. They lower body temperature to near freezing but wake up every few days to raise body temperature to near normal, eat stored food, and eliminate body wastes.
How Changing Winters in the Northeast Affect Black Bears
Northeast black bears are altering their winter habits during the winter, in part because of a shortened season and earlier thaws.
Black Bear Hibernation | NC Wildlife
Bears have the ability to remain stationary for longer periods than rodents without feeding or eliminating waste. In northern areas of the U.S. and Canada, bears hibernate as long as 8 months without moving from their den.
Black Bears - Bears (U.S. National Park Service)
Black bears spend the winter months in dens to avoid the cold weather and lack of available food. They make their dens in hollow trees or logs, under the root mass of a tree, in rock crevices, or even high in a tree in warmer climates.
Black Bear Biology & Behavior - Western Wildlife Outreach
Although there has been past scientific debate about whether or not one of the world’s most famous “hibernator” actually does so, black bears are able to survive severe weather and annual winter food shortages by denning and hibernating during those winter months.
5 Stages of Activity and Hibernation - North American Bear Center
Hibernation there is typically not as deep, and some bears emerge to forage during winter thaws. Food sometimes remains available throughout winter there, and some bears continue foraging throughout winter.
American black bear - Wikipedia
A bear shot in autumn 1986 in Michigan was thought by some to be an American black bear/grizzly bear hybrid, because of its unusually large size and its proportionately larger brain case and skull. DNA testing was unable to determine whether it was a large American black bear or a grizzly bear.
Facts about Florida Black Bears: Hibernation | FWC - Florida Fish …
However, it is notable that bears in southern states den for shorter periods and sleep less deeply than bears in colder climates. While denned bears in northern states are very lethargic and less responsive to people, bears in the South may readily run away if they are disturbed.
Typical Year for Black Bears - North American Bear Center
Black bear cubs are generally born in January. The mother bear licks them clean, keeps them warm and moves into positions to make it easier for them to nurse. February: All bears continue to hibernate.
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