Caribou (IMAGE) University of Maryland Caption Although some caribou migrate farther than any other terrestrial mammal, with round-trip distances exceeding 745 miles, others don't migrate. Understanding how animals use vast landscapes will help predict the impacts of climate change. Credit Elie Gurarie, UMD Usage Restrictions None 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.