Striped Plateau Lizard (<i>Sceloporus virgatus</i>) (IMAGE) Duke University Caption Female striped plateau lizards from Arizona develop orange patches on their throats when they are ready to mate. Males prefer females with darker orange spots, a signal that they have higher-quality eggs. Credit Photo courtesy of Stacey Weiss, University of Puget Sound 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.