Baikal seals in Lake Baikal (IMAGE) Proceedings of the National Academy of Sciences Caption Baikal seals in Lake Baikal Credit Image credit: Yuuki Y. Watanabe 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.