Region
United States
80
Alaska
69
Arctic National Wildlife Refuge (Alaska)
58
Arctic National Wildlife Refuge
25
Washington (State)
10
California
8
New York (State)
7
North Dakota
7
Oregon
7
Hawaii
6
Montana
6
Florida
5
Oklahoma
5
Texas
5
Virginia
5
Nebraska
4
Alaska Peninsula
3
Deer Flat National Wildlife Refuge (Idaho and Or.)
3
Detroit River International Wildlife Refuge (Mich.)
3
Idaho
3
Illinois
3
Kansas
3
Lacreek National Wildlife Refuge
3
Lacreek National Wildlife Refuge (S.D.)
3
Long Island
3
Maryland
3
Michigan
3
South Dakota
3
Wisconsin
3
Alaska Peninsula (Alaska)
2
American Samoa
2
Big Muddy National Fish and Wildlife Refuge (Mo.)
2
Blackwater National Wildlife Refuge (Md.)
2
Caddo Lake
2
Caddo Lake (La. and Tex.)
2
Caddo Lake National Wildlife Refuge
2
Caddo Lake National Wildlife Refuge (Tex.)
2
Chincoteague Island
2
Chincoteague National Wildlife Refuge (Va. and Md.)
2
Don Edwards San Francisco Bay National Wildlife Refuge (Calif.)
2
Dungeness National Wildlife Refuge
2
Dungeness National Wildlife Refuge (Wash.)
2
Dungeness Spit
2
Gulf States
2
James C. Campbell National Wildlife Refuge (Hawaii)
2
Lee Metcalf National Wildlife Refuge
2
Lee Metcalf National Wildlife Refuge (Mont.)
2
Louisiana
2
Mason Neck National Wildlife Refuge (Va.)
2
Massachusetts
2
more ...