Editor's note: This is part of a series of videos offering an up-close perspective on the animal kingdom. A special 360-degree video camera system was set up in zoos and other facilities to show ...

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.

When parted, the white hairs of the belly show gray bases, 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 ...

Image by Madalena Boto. Meagre pickings: winters on Hokkaido are harsh, but Siberian flying squirrels are expert at finding food and shelter. I worked as a field director for the Forest episode ...