1. Department of Biology Carleton University Ottawa ON Canada
2. Environment and Climate Change Canada Ottawa ON Canada
3. Department of Biology University of Alberta Edmonton AB Canada
4. Klamath Bird Observatory Ashland OR USA
5. University of Minnesota Duluth MN USA
6. Alaska Science Center, U.S. Geological Survey Anchorage AK USA
7. National Audubon Society New York NY USA
8. Bird Conservancy of the Rockies Brighton CO USA
9. Environment and Climate Change Canada Edmonton AB Canada
10. Natural Resources Canada Edmonton AB Canada
11. Minnesota Department of Natural Resources Bemidji MN USA