Institution: | 1.Department of Fish, Wildlife, and Conservation Biology, Colorado State University, Fort Collins, CO, 80523, USA ;2.USGS Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD, 20708, USA ;3.Division of Migratory Bird Management, US Fish and Wildlife Service, 11510 American Holly Drive, Laurel, MD, 20708, USA ; |