arctic fox 2 (IMAGE) University of Arkansas Caption Arctic fox in summer fur. Arctic foxes are the only canids that change the color of their fur twice a year. Credit Aleksandr Sokolov, Arctic Research Station 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.