Revenge of the Carnivorous Flying Squirrel

The carnivorous flying squirrel is real (and not just a private D & D joke between one of my friends and me). I think I rolled more critical hits in the infamous CFSA incident, which was from my first time as a dungeon master, then I have any time since.

I have seen the CFS, which appeared in Monster Manual II in the first edition of AD & D, in discussions of the lamest D & D creatures. Here is a Pathfinder version of this critter.