Robert Long, Ph.D. (Principal Investigator) is a Research Ecologist with 25 years’ experience in wildlife research and conservation. He is currently a Senior Conservation Fellow with the Woodland Park Zoo (WPZ) in Seattle, where he oversees carnivore research associated with the Living Northwest program. Prior to joining WPZ in 2013, Long coordinated wildlife monitoring efforts for the Western Transportation Institute’s Washington field office. He holds adjunct faculty positions in the Biology Department at Central Washington University and the School of Environmental and Forest Sciences at the University of Washington (pending). An expert in noninvasive wildlife research, Long was lead editor for Noninvasive Survey Methods for Carnivores (Island Press, 2008).


William Gaines, Ph.D. (Principal Investigator) is an independent Wildlife Ecologist and a recently retired, 25-year veteran of the US Forest Service. He continues to work on a variety of research and management projects in the North Cascades Ecosystem and elsewhere. Gaines is an adjunct faculty member in the Biology Department at Central Washington University, and sits on the Graduate Faculty in the Geography Department also at Central Washington University.



Paula MacKay, formerly a Research Associate with the Western Transportation Institute, is an independent contractor with a broad background in wildlife conservation and research. She has performed communications work for several non-profit environmental organizations, and has written for numerous magazines and scientific publications—including as managing editor for Noninvasive Survey Methods for Carnivores (Island Press, 2008). She is currently completing an MFA in creative nonfiction writing at Pacific Lutheran University.


James Begley, M.S., a former Research Associate with the Western Transportation Institute, has worked extensively in research and management with a wide array of wildlife, from song birds to bighorn sheep. Begley is currently an independent contractor specializing in GIS modeling and mapping.




Roger Christophersen, a Wildlife Biologist with North Cascades National Park, has nearly two decades of experience inventorying and monitoring a diversity of wildlife species. Christophersen’s skills as an accomplished mountain climber and climbing instructor dovetail with the rigors of doing field work in rugged mountainous terrain.




Aja Woodrow has been involved in wildlife research since 2000, and began his career with the US Forest Service in 2005. His recent Master’s thesis at Central Washington University focused on the effects of stand-replacement wildfire, salvage logging, and succession on cavity nesting birds. Woodrow’s interests include the ponderosa pine and shrub-steppe habitat of Washington and the Pitayal habitat of southern Sonora, Mexico. 



John Wagenknecht is a Wildlife Biologist with a Master’s degree in Resource Management from Central Washington University. He formerly worked with the Okanogan/Wenatchee National Forest. Wagenknecht has extensive experience with songbirds, raptors, and carnivores.




Jessie McCarty is a Wildlife Biologist with the US Forest Service. McCarty earned a Bachelor of Science in Forest Resources from the University of Washington.






The following field researchers have also made invaluable contributions to this project: Tiffany Allen, Jacob Belsher, Gaye Bourke, Scott Fitkin, Marten Volunteers at Conservation Northwest and North Cascades Institute, Ruben Gutstein, Kristen Richardson, Ray Robertson, Lindsay Welfelt, Ann Winters, and David Wolfson.

In addition, we extend our appreciation to the individuals below for their supporting efforts:

  • Tiffany Allen, Western Transportation Institute
  • Rob Ament, Western Transportation Institute
  • Jeff Anderson, North Cascades Institute
  • Jacob Belsher, Western Washington University
  • Gaye Bourke, Charles Sturt University, Australia
  • Anne Braaten, North Cascades National Park
  • Conservation Northwest volunteers
  • Jim Evans, The Nature Conservancy
  • Scott Fitkin, Washington Department of Fish and Wildlife
  • Patty Garvey-Darda, Okanogan-Wentachee National Forest
  • Ruben Gutstein, Central Washington University
  • Aimee Hurt, Working Dogs for Conservation
  • Chip Jenkins, National Park Service
  • Wayne Kasworm, U.S. Fish and Wildlife Service
  • Kate Kendall, Jeff Stetz, Amy Macleod, Northern Divide Grizzly Bear Project
  • Bob Kuntz, North Cascades National Park
  • Andrea Lyons, Okanogan-Wenatchee National Forest
  • Kit McGurn, Conservation Northwest
  • North Cascades Institute volunteers
  • David Patkeau & Candace Harris, Wildlife Genetics International
  • Jesse Plumage, Mount Baker-Snoqualmie National Forest
  • Phyllis Reed, Mount Baker-Snoqualmie National Forest
  • Kristen Richardson, University of Washington
  • Ray Robertson
  • Regina Rochefort, North Cascades National Park
  • Joanne Schuett-Hames, Washington Department of Fish and Wildlife
  • Andrew Shirk, University of Washington
  • Ron Tressler, Seattle City Light
  • Jen Watkins, Conservation Northwest
  • Lindsay Welfelt, Washington Department of Fish and Wildlife
  • Alice Whitelaw, Working Dogs for Conservation
  • David Wolfson