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Bats White-Nose Syndrome FAQs - 13 Found

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What species of bats are affected by White-nose Syndrome?

White-nose Syndrome (WNS) mostly affects hibernating bats. More than half of the 47 bat species living in the United States and Canada hibernate to survive the winter.

Eleven bat species, including three endangered species and one proposed species, are already affected by WNS or exposed to the causative fungus, Pseudogymnoascus destructans (Pd).

Confirmed: Bat species identified with diagnostic symptoms of WNS:

  • Big brown bat (Eptesicus fuscus)

  • Eastern small-footed bat (Myotis leibii)

  • Gray bat (Myotis grisescens) *endangered

  • Indiana bat (Myotis sodalis) *endangered

  • Little brown bat (Myotis lucifugus)

  • Northern long-eared bat (Myotis septentrionalis)*proposed for listing

  • Tricolored bat (Perimyotis subflavus)

Pd positive: Bat species on which Pseudogymnoascus destructans has been detected, but no diagnostic sign of WNS has been documented:

  • Southeastern bat (Myotis austroriparius)

  • Silver-haired bat (Lasionycteris noctivagans)

  • Virginia Big-Eared Bat (Corynorhinus townsendii virginianus) *endangered

Learn More:

White-nose Syndrome: A Coordinated Response to the Devastating Bat Disease

USGS National Wildlife Health Center: White-nose Syndrome

Tags: White-nose Syndrome (WNS), Bats, Wildlife, Disease, Endangered Species