| Institution: | llinois Endangered Species Protection Board , 524 S. Second Street, Springfield, IL 62701, U.S.A.; Sutton Avian Research Center, P.O. Box 2007, Bartlesville, OK 74005, U.S.A.; University of Missouri, 110 Tucker Hall, Columbia, MO 65211, U.S.A.; Kansas State University, Manhattan, KS 66506, U.S.A.; Emporia State University, Emporia, KS 66801–5087, U.S.A.; Iowa Cooperative Fish and Wildlife Research Unit, U.S. Geological Survey, Science Hall II, Iowa State University, Ames IA 50011, U.S.A.; University of Illinois, 606 E. Healey, Champaign, IL 61820, U.S.A. |
