Living in thin air (IMAGE) Arizona State University Caption Geladas are found almost exclusively from 2,350 to 4,550 meters above sea level, where less atmospheric oxygen is available. This is one of the highest altitudinal ranges for any primate species. Credit Arizona State University Usage Restrictions none License Original 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.