Baboon Pecking Order (image) Duke University Share Print E-Mail Caption Male baboons maintain their pecking order in the troop with physical displays of aggression. A new study shows that the guys at the top will age faster as a result of constantly having to defend their higher status. Credit Elizabeth Archie Usage Restrictions None 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.