Adult Male Caribou (image) Penn State Caption The results of the research suggest that plant communities in the Arctic are more likely to resist destabilization by climate change if populations of caribou, musk ox, and other large herbivores remain intact. This image of an adult male caribou in Greenland was taken by Eric Post during his research expedition. Credit Eric Post, Penn State University Usage Restrictions The image credit must be published along with the image. 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.