Bat Emitting Sounds (IMAGE) U.S. National Science Foundation Caption The bat shown here is emitting sounds. It will use echoes created by these sounds to stay on target even in cluttered environments. Credit James Simmons, Brown University 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.