<i>Equus grevyi</i> (IMAGE) Proceedings of the National Academy of Sciences Caption A Grévy's zebra (Equus grevyi) selects a bite of grass from a dense patch of understory vegetation at the Mpala Research Centre in central Kenya. Credit Image courtesy of Robert M. Pringle Usage Restrictions None 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.