Cetacean Density Map (IMAGE) Duke University Caption This map, built on more than 20 years of data, shows predicted seasonal density of humpback whales along the US East Coast. Credit Duke Marine Geospatial Ecology Laboratory; background map - Esri, DeLorme, GEBCO, NOAA, NGDC and other contributors Usage Restrictions Must include credit line as written 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.