Red Desert pronghorn (IMAGE) University of Wyoming Caption Pronghorns congregate in the Adobe Town area of Wyoming’s Red Desert. A new analysis involving a UW researcher shows that many pronghorn herds in the state are experiencing long-term declines in fawn production, primarily a result of oil and gas development and encroachment of trees. Credit Jacob Hennig 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.