Caribou beauty (IMAGE) University of California - Davis Caption Many caribou populations in the Arctic are in decline, including migratory tundra caribou like this one. Meanwhile, new studies show that large herbivores in the Arctic are important for climate resilience. Credit Eric Post, UC Davis Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.