Grauer's Gorilla (IMAGE) Uppsala University Caption The magnificent Grauer's gorillas have experienced severe population declines in the last two decades. This population loss has left a deep mark in the genomes of this critically endangered great ape. Credit Damien Caillaud, Dian Fossey Gorilla Fund International. Usage Restrictions May only be published in connection to reports about the research by van der Valk et al. (or by permission from Dian Fossey Gorilla Fund International). 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.