1. USGS Patuxent Wildlife Research Center, 12302 Beech Forest Road, Laurel, MD 20708-4022, david_h_ellis@usgs.gov
2. USGS Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD 20708-4041
3. U.S. Fish and Wildlife Service, Mississippi Sandhill Crane National Wildlife Refuge, 7200 Crane Lane, Gautier, MS 39553
4. USGS Patuxent Wildlife Research Center, 12302 Beech Forest Road, Laurel, MD 20708-4022
5. U.S. Fish and Wildlife Service, Southeast Louisiana Refuges, 1010 Gause Boulevard, Building 936, Slidell, LA 70458
6. USGS Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708-4019
7. Florida Game and Fresh Water Fish Commission, 2303-A Simpson Ridge Circle, Kissimmee, FL 34744
8. USGS National Wildlife Health Center, 6006 Schroeder Road, Madison, WI 53711
9. 3452 Vinton Avenue, Los Angeles, CA 90034
10. USGS Patuxent Wildlife Research Center, 11510 American Holly Drive, Laurel, MD 20708-4017