Pictures of them playing are unusual as they are shy animals and nocturnal
If a prize is being handed out for the world's cutest creature, the Siberian flying squirrel is certainly in with a chance of winning.
These large-eyed tree-dwellers could come from a Disney film with their large eyes and, seemingly, expressive features.
They get their name from their ability to escape predators by gliding from tree to tree by spreading out a thin flap of skin and stretching out all of their limbs.
Flying squirrels don’t actually fly: they glide using a furry membrane or patagium between their front and rear legs. Using this membrane, squirrels have been known to glide over 100 meters, either to escape a predator or just reach another tree!