Roosting Head-up (IMAGE) Brown University Caption Brown University researcher Daniel Riskin has discovered how a species of bat in Madagascar roosts head-up. The bat uses wet adhesion, not suction, as previously believed. Credit None Usage Restrictions None 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.