Lecointea_amazonica (image) Smithsonian Tropical Research Institute Caption Rare trees in the Amazon basin are more likely to go extinct than common species, according to scenarios based on neutral theory. Credit Marcos Guerra, STRI Usage Restrictions Please credit Marcos Guerra, STRI. 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.