The most common bat in the cave is the endangered Myotis sodalis, (commonly known as the Indiana Bat), followed by the Myotis lucifugus (commonly known as the little brown bat).
The passage states that the most common bat species in a cave is the endangered Indiana Bat, which is commonly referred to as the Indiana Bat. The second most frequent bat species found in the cave is the little brown bat, which is also commonly known as the little brown bat.