Centurio senex (IMAGE) Smithsonian Tropical Research Institute Caption Males of the Wrinkle-faced bat Centurio senex show a furry skin fold that can be pulled up to cover the lower half of the face like a mask. Credit Marco Tschapka Usage Restrictions Credit: Marco Tschapka License Licensed content 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.