Four of the nine species of Adirondack bats belong to the genus Myotis, the mouse-eared bats. The little brown bat is the most abundant of the four, and is the common bat of the region. During the ...

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).

Brown University researchers discovered how the echoes from bats' sounds can overlap, which can cause confusion about the location of objects in their path. The blurring of sounds and echoes can ...