What's the difference between hibernation and sleep?
08 May, 2018
The Arctic Ground Squirrel hibernates by burrowing under the permafrost and slipping into a state of suspended animation. The female black bear can give birth while she hibernates. The fat-tailed dwarf lemur prepares to hibernate by storing its fat reserves in its tail – doubling its body weight.
How do these animals reach such extremes to survive harsh winters and, in the lemur’
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