The big brown bat is the Adirondack’s largest bat; only the hoary bat is larger. The long, lustrous fur is brown. The ears, wing and tail membranes are black. Total length is 105-123 mm (4.1-4.8 in).

Biologists have confirmed that bats in Pennsylvania are infected with a mysterious syndrome that has already killed thousands of bats throughout the Northeast over the past two years. White Nose ...

Once the most common species of bat in Pennsylvania, the little brown bat is now endangered. However, there are things you can do to help. Steph Stronsick and Eric Morlock of the Pennsylvania Bat ...

While some bat species have seen up to a 99% population decline, Rafinesque's big-eared bat has shown a strong resistance to ...