Polar Bears (image) PLOS Share Print E-Mail Caption These are polar bears. Credit Paul Nicklen, BBC Wildlife photographer of the year Usage Restrictions Photographer, Paul Nicklen, must be 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.