Greylag geese (IMAGE) Flinders University Caption A study of more than 100 greylag geese found individuals were consistently different in personality traits, ranging from boldness, aggressiveness, sociability to other behavioural traits. Credit Photo courtesy Mariia Klymenko (Vienna) Usage Restrictions use with this release 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.