Shanelle Wikramanayake (IMAGE) University of Washington Caption Lead author Shanelle Wikramanayake holds a rough-nosed horned lizard in the field. Credit Sanoj Wijayasekara Usage Restrictions Must include credit License Original 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.