Dolphin Whistle (VIDEO) University of Zurich This video is under embargo. Please login to access this video. Caption Researchers were able to identify each male's individual voice label. Credit Stephanie King, Dolphin Alliance Project Usage Restrictions Only with the credit 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.