Wolverine Distribution and Ecology in the North Cascades Ecosystem, 2016

The northern Cascade Range in Washington represents the southernmost extent of current wolverine range along the Pacific coast of North America (Aubry et al. 2007). Prior to our research, wolverines had never been studied in the field in this region...

Wolverine Distribution and Ecology in the North Cascades Ecosystem, 2016
Final Progress Report

• Keith B. Aubry, Ph.D. (Lead Principal Investigator), Research Wildlife Biologist, U.S. Forest Service, Pacific Northwest Research Station, Olympia, WA
• John Rohrer, Supervisory Wildlife Biologist, U.S. Forest Service, Okanogan-Wenatchee National Forest, Winthrop, WA
• Catherine M. Raley, Wildlife Biologist, U.S. Forest Service, Pacific Northwest Research Station, Olympia, WA
• Scott Fitkin, District Wildlife Biologist, Washington Department of Fish and Wildlife, Winthrop, WA

The wolverine (Gulo gulo) is one of the rarest mammals in North America and the least known of the large carnivores (Banci 1994). The wolverine is considered a sensitive species in the Pacific Northwest Region by the U.S. Forest Service, and a candidate species for listing as threatened or endangered by the state of Washington.