What should cavers know and do in regard to White-nose Syndrome?
In response to White-nose Syndrome (WNS), the U.S. Fish and Wildlife Service and individual states request that cavers observe all cave closures and advisories, and avoid caves, mines or passages containing hibernating bats to minimize disturbance to them. The Service asks that cavers and cave visitors stay out of all caves in the affected states and adjoining states to help slow the potential spread of WNS. Local and national cave groups have also posted information and cave advisories on their websites.
Learn more at the website for the White-Nose Syndrome Response Team, a partnership of North American agencies and organizations that includes the USGS.
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U.S. Geological Survey response to white-nose syndrome in bats
OverviewSince its discovery in 2007, the fungal disease known as white-nose syndrome (WNS) has killed more than six million bats. Ten of 47 bat species have been affected by WNS across 32 States and 5 Canadian Provinces. The cold-growing fungus (Pseudogymnoascus destructans) that causes WNS infects skin covering the muzzle, ears, and wings of...
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Southeastern Bat with P. destructans Fungus
This southeastern bat (Myotis austroriparius) from Alabama shows signs of infection from the Pseudogymnoascus destructans fungus that causes white-nose syndrome in bats. The USGS National Wildlife Health Center later confirmed white-nose syndrome in this animal, marking the first time that WNS was found in a southeastern bat. As of June 2017, the species joins eight other
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Scientists sampling in cave, Buffalo River, AK
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White-Nose Syndrome Lesions Under UV Light
Long-wave ultraviolet (UV) and white-light illumination of lesions associated with white-nose syndrome. Points of orange–yellow fluorescence (arrows) detected on a roosting Indiana myotis (Myotis sodalis) following surface illumination with a field-portable 9-watt 368-nm fluorescent UV light (photo by Tina Cheng with permission).
UV Light Showing White-Nose Syndrome in Bat's Wing
Long-wave ultraviolet (UV) and white-light illumination of lesions associated with white-nose syndrome. Wing from dead Tri-colored bat (Perimyotis subflavus) lit from above with hand-held 51 LED 385-nm UV flashlight shows points of orange–yellow fluorescence.
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Scientist at Bat Cave
USGS wildlife disease specialist Kim Miller outside of an abandoned mine where bats hibernate in NY.
Dead Bats Near Cave Entrance
Bats die prematurely when affected by white-nose syndrome.
Brown Bats with White Nose
Little brown bats in NY hibernation cave. Note that most of the bats exhibit fungal growth on their muzzles.
Hibernating little brown bat with white muzzle and spots on wings
Hibernating little brown bat with white muzzle and spots on wings typical of white-nose syndrome. (Photo by Greg Turner, Pennsylvania Game Commission)