Pair of Eastern Hoolock Gibbons (IMAGE) University of California - Davis Caption Skywalker gibbons were found in areas previously thought to be occupied by the Eastern hoolock gibbons, like this pair. Credit Peng-Fei Fan Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.