Frog Egg Masses (IMAGE) Wildlife Conservation Society Caption Publishing in the journal Mammalia, researchers found that rain-filled tracks of Asian elephants (Elephas maximus) were filled with frog egg masses and tadpoles. Credit Steven Platt/WCS Usage Restrictions for one time use for striues related to this study. Must use proper 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.