Bat (IMAGE) Max-Planck-Gesellschaft Caption This is an evening or vesper bat (Vespertillo murinus). Credit Max Planck Institute for Ornithology, Radolfzell 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.