Additional individual color variation results in brown, black, silvery-gray color phases. Albinos are more frequent than in many rodents. Adults weigh 454-681 g (1-1.5 lb). The deciduous forests of ...

the fur on the upper parts of the body has a reddish brown cast, and the undersurface of the tail is buffy white to tan. Apart from these differences, and larger size, the northern flying squirrel ...