lead author in the field (IMAGE) University of Washington Caption Sanoj Wijayasekara (left) and Shanelle Wikramanayake (right) examine and take a tissue sample from a rough-nosed horned lizard. Credit Shanelle Wikramanayake 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.