Dolphin shelling (IMAGE) University of Zurich Caption Adult dolphins learn new foraging techniques like shelling directly from their peers - similar as grate apes. Credit Sonja Wild, Dolphin Innovation 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.