A giant flying squirrel, roughly the size of a house cat, once soared through the forests of what is now Southern Appalachia. Gliding above mastodons, rhinos, and red pandas, these agile creatures ...

There are about 50 species of flying squirrels ranging across most of North America down into Central America, and stretching from Southeast and Northern Asia into Siberia and Scandinavia.

An ancient species of giant flying squirrel was found in a sinkhole lake fossil site in eastern Tennessee. Photo by Dan Meyers via Unsplash Scientists had an idea of what prehistoric Appalachia ...