Bottlenose Dolphin whistles (VIDEO) University of Plymouth This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption A spectrogram video of whistles recorded from bottlenose dolphin population of Walvis Bay Credit Emma Longden, Namibian Dolphin Project 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.