Region
Texas
29
New Mexico
28
Black Kettle National Grassland (Okla. and Tex.)
27
Rita Blanca National Grassland (Okla. and Tex.)
26
McClellan Creek National Grassland
22
United States
22
Kiowa National Grassland
21
Great Plains
12
South Dakota
11
North Dakota
9
West (U.S.)
9
Kiowa National Grassland (N.M.)
8
McClellan Creek National Grassland (Tex.)
8
Colorado
7
North America
7
Oklahoma
7
China
6
Crooked River National Grassland
6
Oregon
6
Africa
5
Deschutes National Forest
5
Earth (Planet)
5
Ochoco National Forest
5
Arizona
4
Comanche National Grassland
4
Comanche National Grassland (Colo.)
4
Kansas
4
Canada
3
Fort Pierre National Grassland
3
Fort Pierre National Grassland (S.D.)
3
Southwestern States
3
Washington (State)
3
Appleton-Whittell Research Ranch Sanctuary
2
Appleton-Whittell Research Ranch Sanctuary (Ariz.)
2
Australia
2
Benton County
2
Black Kettle National Grassland
2
Cedar River National Grassland
2
Cibola National Forest
2
Crooked River National Grassland (Or.)
2
Europe
2
Fitzner/Eberhardt Arid Lands Ecology Reserve
2
Grand River National Grassland
2
Grasslands National Park (Sask.)
2
Inner Mongolia
2
Mexico
2
Montana
2
Nebraska
2
Qinghai Sheng
2
Rita Blanca National Grassland
2
more ...