These factors are very different, but all of them are stressers, which induct mobilization of organism forces in unhibernating animals (stress strategy). However the same stressers induct the immobilization of organism forces in marmots (hibernating animals). Both strategies let to animals to survive unfavorable external fluids. Probably, hibernation as answer of organism against different unfavorable external fluids is the common strategy of hibernating animals.
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