The flying squirrel is one of Michigan's most elusive animals. It is the only nocturnal squirrel species and spends the majority of its life in a tree. Because of this, most people have never seen this fascinating creature or are even aware the species is in the area.

There are two types of flying squirrels in Michigan woodlots. The northern flying squirrel inhabits the northern Lower Peninsula, and the southern flying squirrel inhabits the southern Lower Peninsula.

The southern flying squirrel is about the size of a chipmunk, and the northern squirrel is slightly larger. Both are small and grayish-brown, with eyes disproportionately large. At night this species can be seen "flying" from tree to tree. The squirrel doesn't actually fly, however. It glides with the help of a flap of loose skin that extends from its wrist to ankle. Its flattened tail is used for steering.

During flight, the flying squirrel might actually be mistaken for a bat. When its front and hind legs are fully extended, the flap of skin forms a wing-like gliding surface. This "sail" enables the squirrels to glide for considerable distances under full control.

The flying squirrels often frequent bird feeders. Having a light at your feeder might allow you to catch this species at night.

Although relatively abundant, the squirrel's populations are fluctuating. The northern flying squirrels population seems to be decreasing, while the population of the southern flying squirrel seems to be increasing. Research indicates that the population of the northern flying squirrel may be at risk in the Lower Peninsula.

Continued management will ensure this unique species will be protected for generations to come.