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WNS affects at least 6 known insectivorous cave roosting bats of North America1, Myotis lucifugus, Eptesicus fuscus, Myotis septentrionalis, Tri-colored bat (eastern pipistrelle) Perimyotis subflavas, Myotis sodalis, and Myotis leibii 2. This mortality has caused population declines ranging from 72 to 88% for some bat species inhabiting the northeastern United States. Since 2007, the disease has spread across 28 States, and 5 Canadian provinces3. An estimated 5.5 million bats have already died from WNS.
![A bat: Myotis lucifugus.](https://dev-savethebats.pantheonsite.io/wp-content/uploads/2016/08/3311213754_c96e1fcb10_z-300x178.jpg)
![A bat: Eptesicus luscus.](https://dev-savethebats.pantheonsite.io/wp-content/uploads/2016/08/bat2-1024x484.jpg)
![A bat on a tree trunk: Myotis septrionalis.](https://dev-savethebats.pantheonsite.io/wp-content/uploads/2016/08/4996-300x225.jpg)
![A bat on a tree trunk: Perimyotis subflavus.](https://dev-savethebats.pantheonsite.io/wp-content/uploads/2016/08/9738393_orig-300x207.jpg)
![A bat with its wings opened by two ands: Myotis sodalis.](https://dev-savethebats.pantheonsite.io/wp-content/uploads/2016/08/Indiana_bat_myotis_sodalis-1024x712.jpg)
![A bat: Myotis leibii.](https://dev-savethebats.pantheonsite.io/wp-content/uploads/2016/08/Myotis-ciliolabrum-0622-300x200.jpg)
1Foley et al. 2011
2Johnson et al 2013
3Lorch et al 2013, Figure 1