Little Brown (IMAGE) University of California - Santa Cruz Caption A little brown bat covered in UVF dust roosts in a group with other little brown bats. Credit Joseph Hoyt Usage Restrictions For use only with news coverage of this research. 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.