| Affiliation: | 1. U.S. Fish and Wildlife Service, Division of Migratory Bird Management, 3020 State University Drive East, Modoc Hall, Suite 2007, Sacramento, CA, 95819 USA;2. U.S. Fish and Wildlife Service, Division of Migratory Bird Management, 2105 Osuna NE, Albuquerque, NM, 87113 USA;3. U.S. Geological Survey, Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD, 20708 USA;4. U.S. Fish and Wildlife Service, Division of Migratory Bird Management, 5275 Leesburg Pike, Falls Church, VA, 22041 USA |
