Frog hunters (IMAGE) Smithsonian Tropical Research Institute Caption The frog-eating bat uses learning and long-term memory to listen to frog calls and tell the difference between the poisonous ones and the ones that are good to eat. Credit Marcos Guerra Usage Restrictions Credit must be given to the creator. License CC BY 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.