Pacific Walrus (IMAGE) Wildlife Conservation Society Caption A herd of walrus, one of the focal species of a recently completed acoustic study of marine mammals in the northern Bering Sea, Credit Maxim Chakilev Usage Restrictions One-time usage only. 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.