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Pennsylvania takes part in Appalachian WNS monitoring

From the Pennsylvania Game Commission

-- Biologists are seeking assistance from Pennsylvania residents in a regional monitoring effort to collect bat maternity colony data this summer. The monitoring is especially important because of the mortalities in bat populations caused by White-Nose Syndrome (WNS) throughout the northeastern United States.

A multi-state State Wildlife Grant was awarded and is being administered by the Game Commission to investigate and respond to WNS. As part of this project, the Appalachian Bat Count contributes to the nationwide effort to collect data during summer months through maternity colony monitoring, wing assessments and acoustic sampling

"WNS primarily kills during the winter, but the true impact of WNS on bat populations cannot be determined using estimates from winter hibernacula alone," said Calvin Butchkoski, Game Commission wildlife biologist. "Pennsylvanians can help more fully gauge the impact of WNS on the landscape by hosting a bat count this summer. We are especially urging people who have ever conducted a bat count for the Game Commission in the past to redo a count this year."

To obtain applications and information on how to participate, visit the Game Commission's website for the application forms. Go to and click on "Wildlife" in the menu bar at the top of the homepage, scroll down to "Pennsylvania Bats" in the Mammal section, click on "Appalachian Bat Count" in the Reference listing. Forms guide interested participants through the steps of timing, conducting a survey and submitting findings to the Commission.  Scout groups, 4-H clubs, local environmental organizations and individual homeowners can all participate.

"Pennsylvania's two most common bat species, the little brown bat and the big brown bat, use buildings as their summer roosts," Butchkoski said. "Abandoned houses, barns, church steeples, and even currently occupied structures can provide a summer home to female bats and their young.

"Monitoring these maternity colonies can give biologists a good idea of how bat populations in an area are doing from year to year.  With the occurrence of WNS in Pennsylvania this year, monitoring these colonies is more important than ever."

Butchkoski noted that the fieldwork isn't difficult to do, and Pennsylvanians can play a huge role in helping the Game Commission get a better understanding of what is happening to bats this summer.

"We're looking for some help, and we hope you'll consider becoming part of the Appalachian Bat Count monitoring team," Butchkoski said. "It's a chance to make a difference for bats and to get involved in the fight against WNS. Please consider lending a hand."

For more information on WNS, visit the Game Commission's website.  To report observations of sick or multiple dead bats, go to the agency's website.

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