Gastric-Brooding Frog (IMAGE) University of New South Wales Caption This is a gastric-brooding frog, Rheobatrachus silus, giving oral birth in the lab of Mike Tyler of the University of Adelaide. Credit Mike Tyler, University of Adelaide Usage Restrictions In association with UNSW research release 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.