The Spread of
White-nose Sydrome

Number of Hibernating
Bat Species
Year WNS Detected
  1-3
2006-7
  4-6
2007-8
  7-9
2008-9
  10-12
2009-10
  13+
2010-11
2011-12

WNS data from PA Game Commission
Bat ranges from Natureserve.org