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Fact Sheet 2009–3058

Prepared by the USGS National Wildlife Health Center

Investigating White-Nose Syndrome in Bats

By David S. Blehert

"Fact sheet 2009-3049: Right-Click to Download or Save As, 715 KB


A devastating, emergent disease afflicting hibernating bats has pread from the northeast to the mid-Atlantic region of the United States at an alarming rate. Since the winter of 2006–2007, hundreds of thousands of insect-eating bats from at least nine states have died from this new disease, named White-Nose Syndrome (WNS). The disease is named for the white fungus often seen on the muzzles, ears, and wings of bats. This disease poses a threat to cave hibernating bats of the United States and potentially all temperate regions of the world. USGS scientists from the National Wildlife Health Center (NWHC) and the Fort Collins Science Center (FORT), in collaboration with the New York State Department of Environmental Conservation, the U.S. Fish and Wildlife Service, and others have linked a newly described, cold-loving fungus to WNS.

Posted August 2009

For additional information contact:
Dr. David S. Blehert, National Wildlife Health Center
U.S. Geological Survey
6006 Schroeder Rd.
Madison, Wisconsin 53711

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Blehert, D.S., 2009, Investigating white-nose syndrome in bats: Reston, Va., U.S. Geological Survey fact sheet 2009-3058, 2 p.

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