Fire Ant Biting Lizard (IMAGE) Penn State Caption Where invasive fire ants are present, lizards twitch and flee to remove the ants, reversing existing geographical patterns in antipredator behavior. 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.