Ghanaian Leaf-Nosed Bat (IMAGE) University of Bonn Caption Bats are evolutionary old mammals which are extremely important ecologically and are under stringent species protection. They often live in large colonies and form reservoirs for various viruses. Credit © Photo: Marco Tschapka/University of Ulm Usage Restrictions This photo may be used with the press release. 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.