Polar Bear Skull (IMAGE) University of California - Santa Cruz Caption The skull of an ancient polar bear, nicknamed Bruno, was found on the coast of the Beaufort Sea in 2009. It is the only ancient polar bear skull ever recorded and the only ancient polar bear bone known from North America. Credit Photo by Pam Grove Usage Restrictions For use only with news coverage of this research License Original 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.