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W2348 Short Road

Chilton, WI 53014

The building is open from 8 am - 4:30 pm seven days a week, except holidays. 

The trails are open from dawn to dusk.

There is no fee to hike the trails or walk through the nature center. 

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TEL: 920-849-1471

E-MAIL: Ledgeview@calumetcounty.org

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What is white-nose syndrome?


White-nose syndrome is a disease affecting hibernating bats. Named for the white fungus that appears on the muzzle and other parts of hibernating bats, WNS is associated with extensive mortality of bats in eastern North America. First documented in New York in the winter of 2006-2007, WNS has spread rapidly across the eastern United States and Canada, and the fungus that causes WNS has been detected as far south as Mississippi and as far west as the state of Washington.

Bats with WNS act strangely during cold winter months, including flying outside in the day and clustering near the entrances of hibernacula (caves and mines where bats hibernate). Bats have been found sick and dying in unprecedented numbers in and around caves and mines. WNS has killed more than 5.7 million bats in eastern North America. In some hibernacula, 90 to 100 percent of bats have died.

Bats confirmed at Ledge View Nature Center

White-Nose Syndrome is caused by a fungus that thrives in the cold environments where bats hibernate. Hibernating bats with white-nose syndrome often display this white fungus on their noses and on other hairless parts of their bodies including their wings. The fungus isn't always visible to the naked eye -- and usually is not seen on bats found flying or dead outside of their hibernacula or at their summer roosts.

This fungus, formerly known as Geomyces destructans is now known as Pseudogymnoascus destructans, or Pd. This is the characteristic white fungus that gives white-nose syndrome its name.

Confirmed: Bat species identified with diagnostic symptoms of WNS:

  • Big brown bat (Eptesicus fuscus) 

  • Little brown bat (Myotis lucifugus) 

  • Northern long-eared bat (Myotis septentrionalis) *threatened 

  • Tricolored bat (Perimyotis subflavus) 

Will white-nose syndrome affect people?

Thousands of people have visited affected caves and mines since white-nose syndrome was first observed, and there have been no reported human illnesses attributed to WNS. We are still learning about WNS, but we know of no risk to humans from contact with WNS-affected bats. 

What can you do to help?


  • Avoid possible spread of WNS by humans

  • Avoid disturbing bats

  • Be observant

  • Take care of bats

  • Learn about bats/teach about bats - bats are fascinating creatures and an important part of our environment.

  • Volunteer

  • Provide homes for bats

  • Exclude or remove bats safely

  • Other opportunities

  • Stay out of caves and mines where bats are known - or suspected - to hibernate in all states.

  • Honor cave closures and gated caves.

Latest White Nose Syndrome Spread 

as of August 7, 2017.

*Information on this page came from www.whitenosesyndrome.org