Franciscana Dolphin (IMAGE) Wildlife Conservation Society Caption Researchers with Columbia University, the Wildlife Conservation Society, the American Museum of Natural History, and Fundación AquaMarina used both molecular technology and satellite imagery to learn more about how oceanographic barriers shape populations of the franciscana dolphin, a rare cetacean occurring in the coastal waters of eastern South America. Credit (c) Graham Harris/Wildlife Conservation Society Usage Restrictions For one-time usage only. Use the following credit: (c) Graham Harris/Wildlife Conservation Society 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.