Arctic Caribou (image) Penn State Share Print E-Mail 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. 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.