Figure 1. The Medium Ground Finch (Geospiza fortis) (image) Uppsala University Share Print E-Mail Caption The medium ground finch (Geospiza fortis) diverged in beak size from the large ground finch (Geospiza magnirostris) on Daphne Major Island, Galápagos following a severe drought. Credit © Peter R. Grant Usage Restrictions May only be published in connection to reports about the research by Lamichhaney et al. Share Print E-Mail 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.