A Polar Bear on Ice (image) University at Buffalo Share Print E-Mail Caption A male polar bear walks on pack ice. Credit Credit: U.S. Fish and Wildlife Service, Eric Regehr Usage Restrictions None 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.