Little Brown Bat Soft Plastic ModelThe little brown bat is a fairly small member of the Vespertilionidae family that can be found all over North America. In fact, little brown bats are believed to be the most common species of bat found in North America. Scientific Name: Myotis lucifugous. Characteristics: As with most bat species, the little brown bat is primarily active at night and before dawn. Size and Color: As its name suggests, the little brown bat is a uniformly brown color, with somewhat lighter sections around the wings. Standing 4 inches tall and 9 inches wide, this figurine is an inch shorter than a soda can and a bit wider than a letter sized piece of paper. Non-toxic and BPA free.