Florida's 'Worm Grunters' Collect Bait Worms By Inadvertently Imitating Mole Sounds (IMAGE) Vanderbilt University Caption Veteran worm grunter Gary Revell is surrounded by flags that mark the point of emergence of earthworms driven to the surface by the sounds that he creates. Credit Kenneth Catania, Vanderbilt University Usage Restrictions None 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.