Do bears really sleep all winter

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do bears really sleep all winter

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Why Polar Bears Don't Hibernate

10 Amazing Facts About Bears in Hibernation

Kids ask questions and we find someone who can give you an answer. And that way all the rest of us listening get to learn something cool! How do bears sleep all winter? Finn is 4 years old and lives in Hinesburg, Vermont. He wants to know how bears sleep all winter? Credit Courtesy of Finn's mom. Our answer comes from naturalist Mary Holland.

Animals have developed many strategies to survive the winter, a time when food and water are scarce. Some migrate to areas less effected by cold, some resist or adapt to withstand the effect of winter events, growing a thicker coat of fur for example. The snowshoe hare takes it even further, their thicker winter coat matches the color of snow, an adaptation known as camouflage. 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.

All rights reserved. For people who aren't fans of winter, animals that hibernate seem to have the right idea: It's the equivalent of burying your head under the covers until spring comes—isn't it? Not quite. Read on for more behind the science of hibernation. Hibernation is an extended form of torpor , a state where metabolism is depressed to less than five percent of normal.

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Section Navigation Section Navigation. Q Do bears really sleep all winter? Do they need snow to build a den? There is strong evolutionary pressure for bears to stay in their dens during winter, if there is little or no food available. But bears will leave their dens on occasion, particularly when their den gets flooded or is badly damaged. Weather does play a role. In the colder, northern parts of Alaska, bears hibernate about 7 months of the year.

Date: The pictures below represent some of our success stories in rehabilitating cats that came to the Sanctuary either resentful of humans or aggressive towards humans. They did not trust humans and therefore considered humans as adversaries. With our unique behavioral enrichment program based on affection, love, and respect, you can see how their attitudes have changed. The Truth About Bears and Hibernation Date: It is a common misconception that bears hibernate during the winter. While bears tend to slow down during the winter, they are not true hibernators.

Lots of animals hibernate, like frogs, mice, squirrels, hedgehogs, and even skunks! You might think that they hibernate—a. But there's actually a lot more to it than that. Take bears, for example. Hibernating bears will, on occasion, leave their dens—particularly when the dens are damaged or flooded. For instance, during hibernation, animals have reduced heart rates and blood flow, and they survive without eating because their bodies drastically reduce their metabolism.

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