Desmodus rotundus (image) Smithsonian Tropical Research Institute Share Print E-Mail Caption The common vampire bat, Desmodus rotundus, is a highly social species. In this study, bats maintained "friendship" bonds when their colony was moved from captivity back into a tree with other wild bats. Credit Sherri and Brock Fenton Usage Restrictions Only for use with this release. Please credit Sherri and Brock Fenton Share Print E-Mail 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.