Tagged Desmodus Rotundus (IMAGE) Ohio State University Caption A vampire bat is tagged with a proximity sensor used to study social behavior in the wild. Credit Sherry and Brock Fenton Usage Restrictions Credit to photographers is required. 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.