Weddell Seal (IMAGE) University of California - Santa Cruz Caption This is a Weddell seal swimming in McMurdo Sound, Ross Sea, Antarctica. Credit Daniel P. Costa Usage Restrictions For use only with news coverage of this research 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.