I would proudly serve a tour of duty with the Doctor Kevin Soh Global Strike Force, if they'd have me.

It's thought that something about WNS effects their hibernation, causing them to burn through their fat stores too fast. At the point where they start risking the winter cold, it's gotten to the point where it's either that or starving to death. White Nose Syndrome is poorly understood, and it's not known if the fungus is causing the problem, or is simply taking advantage of the sick bats' weakened immune system.