Sand Gazelles in Saudi Arabia (IMAGE) University of Chicago Press Journals Caption There are few sources of drinking water in the desert, so sand gazelles must rely on vegetation for both food and water requirements. Credit Courtesy Stéphane Ostrowski 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.