Dalia Barragan, Universidad de los Andes (IMAGE) Smithsonian Tropical Research Institute Caption Dalia Barragan, Universidad de los Andes and colleagues discovered that bottlenose dolphins in Bocas del Toro, Panama are at risk because of their small population size and because they do not interbreed with other dolphins in the Caribbean. Credit Sean Mattson, STRI Usage Restrictions Credit STRI 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.