Track Hind prints are about 2 1/2" (62 mm) long, with 5 toes; foreprints rounder and smaller, about 1" (25 mm) long. Trail of hopping animal has hindprints in front of foreprints.
Sign Large leaf nests in trees, fairly well hidden in summer but obvious in winter. Other signs are similar to those of Eastern Gray Squirrel, except that food debris is often much more evident, because fox squirrels commonly carry nuts to a favorite feeding perch such as a low branch, log, or stump, under which the ground may be heavily strewn with shells. Nuts show large ragged edged hole or are crushed. When squirrels raid cornfields, it may be possible to tell which species is the culprit: The Eastern Fox Squirrel usually cuts and hauls an entire cob to a feeding perch, which is strewn with husks and bits of cob, while the Eastern Gray Squirrel bites the kernels from the cob, then eats only the germ, dropping the remainder.