Tiger Swallowtail Butterfly (IMAGE) University of South Florida (USF Health) Caption Animal species, such as the swallowtail butterfly, are shifting the timing of their seasonal activities at different rates in response to changing seasonal temperatures and precipitation patterns. Credit Jeremy Cohen, PhD, University of South Florida 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.