Monday, July 18, 2011

Denali NP animals

hibernating squirel. He goes to sleep for about 2 weeks and as he is sleeping his body temp. goes down to almost freezing. Then he shivers himself awake. This shivering brings his body temp back up to normal and he goes back to sleep and the cycle goes on until spring.
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1 comment:

  1. i wish i could go to sleep for 2 weeks at a time lol