Ruffed Lemur (IMAGE) Duke University Caption A black-and-white ruffed lemur (Varecia variegata variegata) snacks on the fruits of pokeweed in one of the outdoor natural enclosures at the Duke Lemur Center. Fruit-eaters like her did better on tests of remembering where food treats were hidden. Credit David Haring, Duke Lemur Center Usage Restrictions Credit: David Haring, Duke Lemur Center 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.