Author (image) University of Vienna Share Print E-Mail Caption Cornelia Habl Vienna tested Goffin's cockatoos in a tool use task. Credit Copyright: private Usage Restrictions The image may only be used with appropriate caption or credit. Share Print E-Mail 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.