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mother bear chased a tiger away
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Mother Bear Chased A Tiger Away

Winter dormancy
Many bears of northern regions are assumed to hibernate in the winter. While many bear species do go into a physiological state often colloquially called "hibernation" or "winter sleep", it is not true hibernation. In true hibernators, body temperatures drop to near ambient and heart rate slows drastically, but the animals periodically rouse themselves to urinate or defecate and to eat from stored food. The body temperature of bears, on the other hand, drops only a few degrees from normal and heart rate slows only slightly. They normally do not wake during this "hibernation", and therefore do not eat, drink, urinate or defecate the entire period. Higher body heat and being easily roused may be adaptations, because females give birth to their cubs during this winter sleep.

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Filename:398109.jpg
Album name:Fauna & Flora
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Keywords:#mother #bear #chased #tiger #away
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Date added:Jul 18, 2011
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