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Hibernating Bears Float 26. Bears usually start hibernating in late fall. Hibernation is not always a deep sleep. Some bears do wake up to feed sporadically. Hibernating bears conserve energy during the long winter months by falling into a deep sleeping pattern.

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slide3

Bears usually start hibernating in late fall.

Hibernation is not always a deep sleep. Some bears do wake up to feed sporadically.

Hibernating bears conserve energy during the long winter months by falling into a deep sleeping pattern.

During hibernation bears survive due to stored fat and a reduced metabolism.

Their heart rate, oxygen intake, and temperature decrease.

slide4

Bear hibernation can be considered a series of long naps.

  • Some bears can go up to 100 days without waking up.
  • Gestation lasts between 6 ½ months to 8 months.
  • The female bear gives birth during the winter and nurses her cubs in the den with no food.
slide5

Bears come out of hibernation in the Spring.

  • When bears wake up they are attracted to abundant foods high in protein and energy.
  • They look for food they can get with little energy .
  • This can lead them into close contact with humans.
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Endangered Bears

  • Giant Panda
  • Sun Bear
  • Asiatic Black Bear
  • Sloth Bear
  • Andean Bear
  • Polar Bear
  • Brown Bear
  • American Black Bear
sources
Hibernation. 30 Jan. 2009. Wikipedia. <http://en.wikipedia.org/wiki/Hibernation>.

Junglewalk. Junglewalk. 3 Feb. 2009 <http://junglewalk.com>.

Bearaware. British Columbia Conservation Foundation. 3 Feb. 2009 <http://bearaware.bc.ca>.

Endangered Bears. National Geographic. 3 Feb. 2009 <http://news.nationalgeographic.com/news/2007/11/photogalleries/bear-pictures/index.html>.

Secrets of Hibernation. Nova Online. 3 Feb. 2009 <http://www.pbs.org/wgbh/nova/satoyama/hibernation.html>.

Bearden. American Zoo and Aquarium Association. 3 Feb. 2009 http://www.bearden.org.

Sources
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