Eastern Fence Lizard (IMAGE) University of Chicago Press Journals Caption A pregnant female (Sceloporus undulatus) basking on a rocky slope in Ohio. Credit Courtesy Peter H. Niewiarowski. 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.