High-precipitation Model (IMAGE) American Museum of Natural History Caption Stress levels shown on a theoretical skull model representing the typical skull shape of carnivoran species living in high-precipitation areas. Hotter means more stress. Credit © Z.J. Tseng et. al. Usage Restrictions Can be used with appropriate credit 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.