Flying to the food (IMAGE) Smithsonian Tropical Research Institute Caption Researchers used speakers to play ringtones to the bats and place a baitfish on top of the speaker. When hearing the rewarded ringtones, the trained bats consistently flew to the speaker to collect their delicious reward. Credit Andrew Quitmeyer 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.