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).

The little brown bat's range is a large portion of North America from Alaska to Labrador, south into central Mexico. Its distribution in the southern U.S. is spotty, and it is absent from much of ...

The big brown bat is one of the largest bats in the state, measuring 4 to 5.1 inches in length and weighing less than an ounce. Their large size and uniformly brown fur color make them one of ...

hoary and big brown bats call in the 25kHz range. Another aspect to keep in mind with the data is that the same bat will make ...