Dusted-Tricolor (IMAGE) University of California - Santa Cruz Caption Researchers were able to track cryptic connections between bats by coating individual bats, such as this tri-colored bat, with a dust that is fluorescent under ultraviolet light ("UVF dust"). 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.