M F
Bat Facts You Won’t Find in The Dark Knight Rises : Wildlife Promise - http://blog.nwf.org/2012...
"About one in every five species of mammal is a bat, which is to say, there are nearly 1,250 bat species out of about 5,700 mammal species (these numbers vary from source-to-source and time-to-time both because of the vagaries of classification and the discovery of new species)." - M F