A Colony Of Rock Ants (IMAGE) University of Bristol Caption Researchers at the University of Bristol, UK, led by Thomas O'Shea-Wheller, investigated the extent to which colonies of rock ants behave as a single entity by subjecting colonies of migrating ants to differing forms of simulated predator attack. Credit Thomas O'Shea-Wheller Usage Restrictions Image is for single use only to illustrate stories on the PLOS ONE paper 'Differentiated Anti-Predation Responses in A Superorganism' by O'Shea-Wheller et al and is not to be archived. Please credit the copyright holder: Thomas O'Shea-Wheller 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.