1. Colorado Cooperative Fish and Wildlife Research Unit; Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins Colorado 80523 USA
2. Department of Statistics; Colorado State University; Fort Collins Colorado 80523 USA
3. U.S. Geological Survey; Colorado Cooperative Fish and Wildlife Research Unit; Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins Colorado 80523 USA
4. National Park Service; Southeast Alaska Inventory and Monitoring Network; 3100 National Park Road Juneau Alaska 99801 USA
5. National Park Service; Glacier Bay Field Station, 3100 National Park Road Juneau Alaska 99801 USA
6. U.S. Geological Survey; Alaska Science Center; 4210 University Drive Anchorage Alaska 99508 USA