Christine A. Ribic,^1,2 Rolf R. Koford,³ James R. Herkert,⁴ Douglas H. Johnson,⁵ Neal D. Niemuth,⁶ David E. Naugle,⁷ Kristel K. Bakker,⁸ David W. Sample,⁹ Rosalind B. Renfrew<sup>10

1</sup>U.S. Geological Survey, Wisconsin Cooperative Wildlife Research Unit, Department of Forest and Wildlife Ecology, University of Wisconsin, Madison, Wisconsin 53706, USA
²E-mail: caribic@wisc.edu
³U.S. Geological Survey, Iowa Cooperative Fish and Wildlife Research Unit, Iowa State University, Ames, Iowa 50011, USA
⁴Illinois Chapter of the Nature Conservancy, Peoria, Illinois 61602, USA
⁵U.S. Geological Survey, Northern Prairie Wildlife Research Center, St. Paul, Minnesota 55108, USA
⁶Habitat and Population Evaluation Team, U.S. Fish and Wildlife Service, Bismarck, North Dakota 58501, USA
⁷Wildlife Biology Program, University of Montana, Missoula, Montana 59812, USA
⁸College of Arts and Sciences, Dakota State University, Madison, South Dakota 57042, USA
⁹Bureau of Science Services, Wisconsin Department of Natural Resources, Madison, Wisconsin 53716, USA
¹⁰Vermont Center for Ecostudies, Norwich, Vermont 05055, USA