Acoustic Tags on Orca Whales (IMAGE) University of Washington Caption Digital acoustic recording tags temporarily attached to killer whales measured vessel noise reaching the whales. Photos taken under NOAA Fisheries and Department of Fisheries and Oceans research permit (No.781-1824 and 16163). Credit NOAA Fisheries/Northwest Fisheries Science Center Usage Restrictions Photo credit required. 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.