Lizard on Log (IMAGE) Penn State Caption Lizards increasingly rely on camouflage to avoid predators as you move southward across their range, but the presence of invasive fire ants reverses this pattern. Credit Langkilde Lab, Penn State Usage Restrictions Credit must be provided alongside image. 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.