Pacific Chorus Frog (image) University of Colorado at Boulder Caption A new University of Colorado study shows increases in parasite diversity can benefit the health and survival of amphibians. Credit Frog image copyright David Herasimtschuk, Freshwaters Illustrated. Parasite images courtesy Pieter Johnson, University of Colorado Usage Restrictions None 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.