Adults weigh 454-681 g (1-1.5 lb). The deciduous forests of the eastern half of North America provide optimum habitat for the gray squirrel, but the range includes portions of the mixed forest in ...

“Squirrels are remarkably good at what they do,” said John L. Koprowski, co-author of the book “North American Tree Squirrels ...

North America has ... was discovered at the Gray Fossil Site, an incredibly rich site located in Washington County, Tennessee. This species of flying squirrel has previously been discovered ...