Northern Prairie Wildlife Research Center
We thank the many individuals who have participated in the BBS for North Dakota. We also thank members of the nest-searching crews who participated in the duck nest success study. We especially thank R. Renner of Ducks Unlimited, Inc. and R. Greenwood of the National Biological Survey, for their assistance in coordinating the duck nest success study. We acknowledge the financial support provided by the Central and Mississippi Flyway Councils, Ducks Unlimited's Institute for Wetland and Waterfowl Research, and the U.S. Bureau of Reclamation. B. Batt and R. Meeks of Ducks Unlimited, Inc., provided administrative assistance for the duck nest success study. We appreciate the logistical assistance provided by H. Hoistad, R. Hollevoet, F. Giese, R. Gilbert, J. Koerner, S. Kresl, D. Potter, D. Walls, P. VanNingen and their staffs. S. Vaa and M. Johnson provided field assistance. A. Schaff typed the manuscript. We thank W. Newton for statistical advice and D. Johnson, R. Koford, G. Pendleton and A. Sargeant for reviewing the manuscript.