New research published in Science analyzes more than 25 years of climate and biological data. The findings include shorter hibernation periods in arctic ground squirrels, as well as differences between male and female hibernation periods.
As Alaska's bleak winter sets in, arctic ground squirrels burrow deep into the ground to begin an eight-month-hibernation before popping up again in spring, famished and eager to breed.
As Alaska s bleak winter sets in, arctic ground squirrels burrow deep into the ground to begin an eight-month-hibernation before popping up again in spring, famished and eager to breed.
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