Mouth Clicks Used in Human Echolocation Captured in Unprecedented Detail (image) PLOS Share Print E-Mail Caption Illustration of acoustic pattern of mouth clicks for human echolocation. Credit Thaler et al. Usage Restrictions CC-BY Share Print E-Mail 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.