The Republican River Basin (IMAGE) U.S. National Science Foundation Caption The Republican River Basin, where the study took place. Here, just south of Cambridge, Nebraska. Credit Wikimedia Commons/Ammodramus 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.