Last fall, biologists glued radio tags to the backs of more than 400 bats outside the Aeolus cave in Dorset and lined the cave with electronic equipment that monitors how many of the bats emerged in the winter.
A healthy bat will hibernate until spring, but a bat with white nose syndrome will fly into the frigid landscape and almost certainly die.
Vermont Fish and Wildlife biologist Alyssa Bennett says the number of some bat species dying from the disease has slowed, but it's too soon to say whether the bats are recovering.
The disease has killed millions of bats across North America in less than a decade.
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