Polar Bear (IMAGE) Netherlands Institute of Ecology (NIOO-KNAW) Caption This is an adult polar bear on the look-out. Credit Ian Sterling Usage Restrictions Only to be used with (the subject of) this press release 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.