Adult Nazca Booby (IMAGE) Wake Forest University Caption A Nazca booby adult begins an unwelcome visit with an unguarded nestling. Most such visits include aggressive bites by the adult to the nestling's head and neck. Credit Jacquelyn Grace Usage Restrictions May only be used with appropriate credit License Licensed 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.