They often use a single place, called a midden, for peeling the scales off cones to get at the seeds, and the scales may accumulate for years, the same site being used by generations of squirrels.
They often use a single place, called a midden, for peeling the scales off cones to get at the seeds. The discarded scales may accumulate for years, into piles more than a meter across as the same site is used by generations of squirrels.