Bat cage (IMAGE) Smithsonian Tropical Research Institute Caption Inga Geipel and colleagues compared the abilities of 12 different gleaning bat species to hear different prey types. Credit Sean Mattson, STRI Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.