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.

This lively squirrel was spotted on a branch in Market ... Grum / BBC Weather Watchers We love to see your wildlife shots When emailing pictures, please make sure you include the following ...

A free-ranging squirrel leaps from one branch to a branch instrumented to measure force. (Image credit: Sebastian Lee). Bottom photo: A one-legged robot, called Salto, was modified to jump from one ...