DUCKS UNLIMITED.................................................................................. 
NORTH AMERICAN WATERFOWL MANAGEMENT PLAN....................... 
U.S. FISH AND WILDLIFE......................................................................... 
CANADIAN WILDLIFE SERVICE............................................................... 
NATIONAL ENVIRONMENTAL RESEARCH INSTITUTE............................. 
JOINT NATURE CONSERVATION COMMITTEE....................................... 
WILDFOWL & WETLANDS TRUST........................................................... 
BIRDWATCH IRELAND............................................................................. 
ARKANSAS GAME & FISH COMMISSION............................................... 
MISSOURI CONSERVATION DEPARTMENT............................................. 
LOUISIANA WILDLIFE & FISHERIES.......................................................... 
NORTH DAKOTA GAME AND FISH DEPARTMENT ...................................
MISSISSIPPI WILDLIFE, FISHERIES AND PARKS......................................... 
CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION......... 
