Eco-Tourism and Orangutans (IMAGE) Indiana University Caption Jenny, a wild orangutan about 32 years old and living in north Borneo (pictured here), and her 11-year-old son Etin were subjects in the study looking at the stress effects of eco-tourism on animals in the wild. Credit Indiana University Usage Restrictions None 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.