Monarch Butterflies Resting (IMAGE) University of Georgia Caption Monarch butterflies are shown at a wintering site in central Mexico cluster in a tree to sun their wings. Credit Sonia Altizer/University of Georgia 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.