Which specific subspecies of flying squirrel is federally listed as endangered due to its specialized habitat needs?

Answer

The Carolina Northern Flying Squirrel

The Carolina Northern Flying Squirrel (*Glaucomys sabrinus coloratus*) is federally listed as endangered because it is restricted exclusively to high-elevation spruce-fir forests in a small region of the southern Appalachian Mountains.

Which specific subspecies of flying squirrel is federally listed as endangered due to its specialized habitat needs?
mammalflyingsquirrel