Ant on compass (IMAGE) University of Oldenburg Caption Desert ants can sense the North-South direction of the magnetic field to determine the direction of their nest entrance during so called learning walks. Credit Robin Grob Usage Restrictions The image may be used in connection with the press release and with appropriate 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.