Sadly this amazing creature became classified as an extinct mammal due to rapid hunting by humans. Sailors and fur traders ...

A giant flying squirrel, roughly the size of a house cat, once soared through the forests of what is now Southern Appalachia.

It is amazing to imagine these giant flying squirrels gliding over rhinos and mastodons living in the forests of Tennessee.’ ...

What comes to mind when you think of the prehistoric world ... resemble larger versions of their living relatives. The rise of mammals The earliest known mammals first appeared about 225 to ...