Region
Alabama
1
Alaska
69
Alaska Maritime National Wildlife Refuge (Alaska)
1
Alaska Peninsula
3
Alaska Peninsula (Alaska)
2
Alaska Peninsula National Wildlife Refuge (Alaska)
1
Amagansett National Wildlife Refuge (N.Y.)
1
American Samoa
2
Arctic National Wildlife Refuge
25
Arctic National Wildlife Refuge (Alaska)
58
Arizona
1
Ash Meadows National Wildlife Refuge (Nev.)
1
Bandon
1
Bandon Marsh National Wildlife Refuge
1
Bandon Marsh National Wildlife Refuge (Or.)
1
Bear Lake National Wildlife Refuge
1
Bear Lake National Wildlife Refuge (Idaho)
1
Bear River Migratory Bird Refuge
1
Bear River Migratory Bird Refuge (Utah)
1
Benton Lake National Wildlife Refuge
1
Benton Lake National Wildlife Refuge (Mont.)
1
Big Muddy National Fish and Wildlife Refuge
1
Big Muddy National Fish and Wildlife Refuge (Mo.)
2
Billy Frank Jr. Nisqually National Wildlife Refuge (Wash.)
1
Billy Frank, Jr., Nisqually National Wildlife Refuge
1
Billy Frank, Jr., Nisqually National Wildlife Refuge (Wash.)
1
Blackwater National Wildlife Refuge (Md.)
2
Botswana
1
Boyer Chute National Wildlife Refuge (Neb.)
1
Breton National Wildlife Refuge (La.)
1
Bronx County (N.Y.)
1
Caddo Lake
2
Caddo Lake (La. and Tex.)
2
Caddo Lake National Wildlife Refuge
2
Caddo Lake National Wildlife Refuge (Tex.)
2
California
8
Camas National Wildlife Refuge
1
Camas National Wildlife Refuge (Idaho)
1
Canaan Valley National Wildlife Refuge
1
Canaan Valley National Wildlife Refuge (W. Va.)
1
Canada
1
Cedar Keys (Islands)
1
Charles M. Russell National Wildlife Refuge
1
Charles M. Russell National Wildlife Refuge (Mont.)
1
Chickasaw National Wildlife Refuge (Tenn.)
1
Chincoteague Island
2
Chincoteague National Wildlife Refuge (Va. and Md.)
2
Colorado
1
Connecticut River Valley
1
Cuba
1
more ...