Q. What retains squirrels from gaining big quantities of weight as they gorge on acorns and nuts every fall?
A. In reality, many squirrels do obtain big weight achieve forward of the privations of winter.
Widespread grey squirrels could improve their weight by 25 % within the harvest season. However not as a result of they hibernate — they don’t.
Winter foraging is tough, and grey squirrels are inclined to spend the winter months principally of their nests. However they need to make forays each few days to hunt squirreled-away meals and different nourishment.
Amongst hibernating squirrels, a lot of the saved nourishment is required to outlive the chilly season with out foraging. A research of the Arctic floor squirrel discovered excessive weight good points through the energetic season: 42 % amongst males and 63 % amongst females. They gradual their exercise drastically earlier than hibernating to be able to keep peak mass.
Whereas some do emerge from winter lighter, a major share of their fats shops could stay.
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