Researcher talking at a school (IMAGE) University of Leeds Caption PhD researcher Hanna Pettersson talking about wolves in a local school Credit C.E.I.P. San Martín, Garganta la Olla Usage Restrictions Must credit for photo 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.