Region
United States
745
Alaska
42
West (U.S.)
40
Colorado
39
Arizona
31
Oregon
30
New Mexico
21
California
20
Washington (D.C.)
19
Idaho
18
Washington (State)
17
Wyoming
17
Montana
16
Rocky Mountains
15
Southern States
15
Utah
13
Foreign countries
10
Southwestern States
10
North America
9
Canada
8
Mexico
8
Nicaragua
8
Northwest, Pacific
8
Europe
7
Great Basin
7
Nevada
7
New York (State)
7
Northeastern States
7
Pacific Coast (U.S.)
7
Southwest, New
7
Belize
6
Black Hills (S.D. and Wyo.)
6
Great Plains
6
Innoko National Wildlife Refuge
6
Innoko National Wildlife Refuge (Alaska)
6
South Africa
6
Soviet Union
6
China
5
Germany
5
Japan
5
North Dakota
5
South Dakota
5
Africa
4
Atlantic Coast (U.S.)
4
Central America
4
Cuba
4
Finland
4
Great Britain
4
Hawaii
4
India
4
more ...