1. Division of Biology Kansas State University 116 Ackert Hall Manhattan Kansas66506 USA
2. U.S. Geological Survey Upper Midwest Environmental Sciences Center 2630 Fanta Reed Road La Crosse Wisconsin54603 USA
3. U.S. Fish and Wildlife Service Migratory Bird Management 1011 E. Tudor Road, MS 201 Anchorage Alaska99503 USA
4. Manomet P. O. Box 545 Saxtons River Vermont05154 USA
5. Wildlife Conservation Society Arctic Beringia Program 3550 Airport Way, Unit 5 Fairbanks Alaska99709 USA
6. Department of Biology and Wildlife University of Alaska Fairbanks P. O. Box 756100 Fairbanks Alaska99709 USA
7. Department of Fisheries and Wildlife Sciences University of Missouri 302 Anheuser‐Busch Natural Resources Building Columbia Missouri65211 USA
8. U.S. Geological Survey Alaska Science Center 4210 University Drive Anchorage Alaska99508 USA
9. Department of Biological Sciences Simon Fraser University 8888 University Drive Burnaby British ColumbiaV5A 1S6 Canada
10. Centre for Wildlife Ecology Simon Fraser University 8888 University Drive Burnaby British ColumbiaV5A 1S6 Canada
11. U.S. Fish and Wildlife Service Arctic National Wildlife Refuge 101 12th Avenue, Room 236 Fairbanks Alaska99701 USA
12. Environment and Climate Change Canada P. O. Box 2310Yellowknife Northwest TerritoriesX1A 2P7 Canada