1. Mammalian Ecology and Conservation Unit, Veterinary Genetics Laboratory; University of California, Davis; One Shields Avenue/Old Davis Road Davis CA 95616 USA
2. California Department of Fish and Wildlife; North Central Region; 1701 Nimbus Road Rancho Cordova CA 95670 USA
3. Mammalian Ecology and Conservation Unit, Veterinary Genetics Laboratory, Department of Population Health and Reproduction; University of California, Davis; One Shields Avenue/Old Davis Road Davis CA 95616 USA