The Eastern Big-eared Bat is a medium-sized bat native to the eastern United States. It is easily recognized by its large ears, which can be longer than its body. This species primarily inhabits forests, caves, and abandoned buildings, where it roosts in small groups. These bats are insectivorous, feeding mainly on moths and other flying insects. They use echolocation to navigate and hunt for food in the dark. The Eastern Big-eared Bat is considered a species of concern due to habitat loss and declining populations, making conservation efforts important for its survival.