Owl Monkeys Are Involved Dads (IMAGE) University of Pennsylvania Caption An infant owl monkey rides securely on the back of its biological father. A Penn study showed that owl monkeys are faithful mates, and that intensive parenting by the biological father likely plays a role in this loyalty. Credit V. Davalos/Owl Monkey Project, Formosa-Argentina Usage Restrictions In context of reporting 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.