Arctic Caribou (IMAGE) Penn State Caption This is a caribou in early May in West Greenland. Credit Jeff Kerby, Eric Post lab, Penn State University Usage Restrictions The image credit must be published along with the image. 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.