Region
United States
59
Alaska
10
Wyoming
5
Klamath National Forest (Calif. and Or.)
4
North Carolina
4
Oregon
4
Washington (State)
4
West (U.S.)
4
Arizona
3
Currituck National Wildlife Refuge
3
Outer Banks
3
Alabama
2
California
2
Colorado
2
Idaho
2
Pomeroy Ranger District (Wash. and Or.)
2
Prescott National Forest
2
Umatilla National Forest (Or. and Wash.)
2
Yellowstone National Park
2
Africa
1
Arctic National Wildlife Refuge
1
Arctic National Wildlife Refuge (Alaska)
1
Asia
1
Bighorn Basin (Mont. and Wyo.)
1
Black Kettle National Grassland (Okla. and Tex.)
1
Brooks Range
1
Cabo Rojo
1
Cabo Rojo National Wildlife Refuge
1
Cape Hatteras National Seashore
1
Cape Hatteras National Seashore (N.C.)
1
Cascades (Or. and Wash.)
1
Central Idaho Wilderness
1
Columbia River Watershed
1
Eliza Island
1
Florida
1
George Washington Birthplace National Monument
1
Grand Canyon National Park
1
Great Plains
1
Guam
1
Gunnison River Valley
1
Hawaii
1
Innoko National Wildlife Refuge
1
Innoko National Wildlife Refuge (Alaska)
1
Iowa
1
Kiowa National Grassland
1
Koyukuk River Watershed
1
Laguna Cartagena National Wildlife Refuge
1
Lajas
1
Louisiana
1
Maryland
1
more ...