Region
Colorado
9
Montana
6
Maryland
5
Oregon
5
Louisiana
4
Nebraska
4
Nevada
4
Utah
4
California
3
Laurel
3
North Dakota
3
Alamosa National Wildlife Refuge (Colo.)
2
Alaska
2
Benton Lake National Wildlife Refuge (Mont.)
2
Chincoteague National Wildlife Refuge (Va. and Md.)
2
Dungeness National Wildlife Refuge (Wash.)
2
Dungeness Spit
2
Freezout Lake Wildlife Management Area
2
Freezout Lake Wildlife Management Area (Mont.)
2
Kanuti National Wildlife Refuge
2
Kanuti National Wildlife Refuge (Alaska)
2
Kern National Wildlife Refuge (Calif.)
2
Lacassine National Wildlife Refuge
2
Lacassine National Wildlife Refuge (La.)
2
Monte Vista National Wildlife Refuge (Colo.)
2
Rainwater Basin Wetland Management District
2
Rainwater Basin Wetland Management District (Neb.)
2
Shell Keys National Wildlife Refuge
2
Shell Keys National Wildlife Refuge (La.)
2
Tulare Basin Wildlife Management Area (Calif.)
2
United States
2
Washington (State)
2
Wyoming
2
Arizona
1
Camas National Wildlife Refuge
1
Camas National Wildlife Refuge (Idaho)
1
Cimarron National Grassland
1
Cimarron National Grassland (Kan.)
1
Crocodile Lake National Wildlife Refuge (Key Largo, Fla.)
1
Dakota Tallgrass Prairie Wildlife Management Area (N.D. and S.D.)
1
Des Lacs National Wildlife Refuge
1
Des Lacs National Wildlife Refuge (N.D.)
1
Florida
1
Guam
1
Guam National Wildlife Refuge
1
Guam National Wildlife Refuge (Guam)
1
Horicon National Wildlife Refuge
1
Horicon National Wildlife Refuge (Wis.)
1
Idaho
1
J. Clark Salyer National Wildlife Refuge
1
more ...