Author Affiliations +
BRETT L. WALKER,1 DAVID E. NAUGLE,1 KEVIN E. DOHERTY,1 TODD E. CORNISH2
1Wildlife Biology Program, College of Forestry and Conservation, University of Montana, Missoula, MT 59812, U.S.A.
2Wyoming State Veterinary Laboratory, Department of Veterinary Sciences, University of Wyoming, Laramie, WY 82070, U.S.A.