Map of Study Area (IMAGE) University of Washington Caption Map of Cook Inlet, Alaska, with red pins where underwater recordings used for this study. Stripes show Cook Inlet beluga whale critical habitat, and the blue line shows designated Port of Alaska commercial shipping lanes. Credit Kim Shelden/NOAA Fisheries Usage Restrictions With credit License Original 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.