The red squirrel’s appearance varies seasonally. The paler, reddish to olive gray coat of summer includes a black line along each side, and creamy white or buffy underparts. In the winter ... Tamias ...

The gray squirrel ... red squirrel’s, with 1-10 or more males engaging in “mating chases” of a female in estrous, the dominant male usually but not always mating with the female. Two breeding periods ...