Genus Lasiurus is a group of bats commonly known as the red bats. They are found in North, Central, and South America. There are several synonyms or alternative names used for the Genus Lasiurus including the eastern red bat, the western red bat, the hoary bat, and the silver-haired bat. These names are often used interchangeably to refer to the same species of bat and are based on different appearances, behavior, or geographical locations. Despite the different names, all the bats in the Genus Lasiurus share similar characteristics such as a reddish coloration, large ears, and a preference for roosting in foliage.