Don’t judge a bear by its temperature, or so suggests first-of-its-kind data on hibernation physiology. There’s something as-yet-unknown going on with black bear hibernation that slows metabolic rates more than lower body temperatures alone can explain, reports ecological physiologist Øivind Tøien of the University of Alaska Fairbanks.
http://www.sciencenews.org/view/generic/id/69968/title/Hibernation_mystery
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