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).

not glossy like that of the little brown bat which it resembles. The ears of this species are long, narrow, and extend at least 4 mm (0.16 in) beyond its nose when pressed forward along the face. The ...

Their fur is light to dark brown, and their bellies are tan. They have a sizeable wingspan as well, measuring some 12 to 13 inches. The Ozark big-eared bat feeds primarily on moths but may also ...