Light yellow above the hairs tipped with brown or gray, whereas the underparts are pale creamy, almost white, but not bicolored. Membranes are tan. This is a large bat with big ears, large eyes, and broad wings. The bats hang from the rafters and their droppings foul hay in barns and cars in garages. This species has one of the most unique feeding habits of any North American bat.
Prey is mainly from the ground and little, if any, food is captured in flight.
Food consists of scorpions, grasshoppers, Jerusalem crickets, June beetles, and other ground beetles. It has been found rabid but is rarely a problem to humans. Silver-haired bat, Lasionycteris noctivagans . Note hairs of back tipped with white. Silver-haired bat, silvery black bat, black bat.