Region
United States
16
California
14
Washington (State)
11
Colorado
10
Florida
5
Oregon
4
Atlantic Coast (U.S.)
3
Galveston Bay
3
Lewis River Watershed
3
Lewis River Watershed (Wash.)
3
Texas
3
Arizona
2
Chincoteague National Wildlife Refuge (Va. and Md.)
2
Columbia River
2
Delta Region
2
Great Plains
2
Louisiana
2
Maine
2
Mississippi River Delta
2
New Jersey
2
North Dakota
2
Southwest, New
2
Willamette River Watershed
2
Beale Air Force Base
1
Beale Air Force Base (Calif.)
1
Big Oaks National Wildlife Refuge (Ind.)
1
Billy Frank, Jr., Nisqually National Wildlife Refuge
1
Billy Frank, Jr., Nisqually National Wildlife Refuge (Wash.)
1
Blue Ridge Mountains
1
Bowdoin National Wildlife Refuge
1
Cape May National Wildlife Refuge
1
Cascade Range
1
Chesapeake Bay (Md. and Va.)
1
Coachella Valley
1
Crawford
1
Croatan National Forest (N.C.)
1
Crotan National Forest
1
Cumberland County
1
Edwin B. Forsythe National Wildlife Refuge (N.J.)
1
Erie, Lake
1
Fitzner/Eberhardt Arid Lands Ecology Reserve
1
Fitzner/Eberhardt Arid Lands Ecology Reserve (Wash.)
1
Glenwood Region
1
Great Lakes Watershed (North America)
1
Guam
1
Guam National Wildlife Refuge
1
Guam National Wildlife Refuge (Guam)
1
Hawaii
1
Humboldt Bay
1
Humboldt Bay National Wildlife Refuge
1
more ...