Hanja Brandl (IMAGE) University of Konstanz Caption Dr Hanja Brandl is a behavioural ecologist and collective behaviour researcher of the Cluster of Excellence "Centre for the Advanced Study of Collective Behaviour" at the University of Konstanz. Credit Photo: Elisabeth Böker Usage Restrictions Photo may be used by journalists. License Original 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.