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Yury wrote:Squirrel is lightweight enough that it would survive a fall from any height.

This thought struck my mind too, although I was unable to find any previous research studies with a definitive answer. Depends on the setting. If it was one of those thin wild squirrels way in the backcountry, its survival may be plausible. But if it was one of those rotund, tourist-fed squirrels that lives in a highly-visited area, all bets are off.

Maybe the squirrels deserve more credit.