Bears hibernate during the winter months in most areas of the world. Duration of winter denning is dependent upon latitude and varies from a few days or weeks for black bears in Mexico to 6 months or more for bears in Alaska (Kolenosky and Strathearn 1987, Haroldson et al.
Where do bears actually hibernate?
Other animals settle in for a long winters nap. When we think about strategies animals use to survive the winter, we often picture birds flying south and bears hibernating in caves. However, not many animals truly hibernate, and bears are among those that do not. Bears enter a lighter state of sleep called torpor.
Where do bears go in the winter?
For the black bear, hibernation is more an adaptation for escaping winter food scarcity than an adaptation for escaping winter cold. Most dens are nearly as cold as the surrounding countryside. Dens may be burrows, caves, hollow trees, or simply nests on the ground.
Where Do bears sleep at night?
Most often they make a den under a rock, in a hollow tree, snuggled under a fallen tree, or in a brush pile. In the springtime, as snow melts and food sources become more available, bears wake up from their long hibernation. During the next few months, they rarely sleep at all.
Do bears hibernate where it doesn’t snow?
There have been many myths and misconceptions about the hibernation of bears. It is a common belief that bears hibernate during winter and undergo an inactive condition. However, this is not the case at all. In reality, bears are not true hibernators.
Do bears give birth while hibernating?
Cubs are usually born within the first two months of hibernation. Cubs and their mothers stay in their dens for the rest of the winter while the mother bear rests and the cubs nurse and grow. Females and their cubs usually emerge from their winter dens in late March or early April.
Do bears poop while hibernating?
Grizzly bears and black bears generally do not eat, drink, defecate, or urinate during hibernation. … Waste products are produced, however, instead of disposing of their metabolic waste, bears recycle it.
What smells do bears hate?
Bears also dislike the strong scent of pine-based cleaners, but avoid using anything with a fresh, lemony or fruity smell. And never mix bleach and ammonia; the combination produces fumes that can be deadly to both people and bears.
What are black bears afraid of?
Black bears by nature tend to be wary of humans and avoid people. However, if you encounter a black bear in your neighborhood or outdoors while hiking or camping, follow these common-sense safety tips. If a bear enters your home, provide it with an escape route by propping all doors open.
Does hibernation mean sleeping?
Despite what you may have heard, species that hibernate don’t “sleep” during the winter. Hibernation is an extended form of torpor, a state where metabolism is depressed to less than five percent of normal. … This is very different from sleep, which is gentle resting state where unconscious functions are still performed.