Walruses on a Block of Ice (image) Hokkaido University Share Print E-Mail Caption Walruses huddling together on a block of ice in the Arctic Ocean in August 2012 right before the summer ice cover hit a record low in the following month. Credit Photo taken by Toru Takatsuka, Institute of Low Temperature Science, Hokkaido University. Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. Share Print E-Mail 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.