Region
United States
1,035
Colorado
127
West (U.S.)
79
Alaska
49
North America
44
Oregon
37
California
36
Arizona
33
Canada
30
Idaho
30
Southern States
29
Wyoming
27
New Mexico
25
Montana
22
Northwest, Pacific
21
Washington (D.C.)
21
Utah
19
Washington (State)
18
Rocky Mountains
17
Tropics
17
England
16
New York (State)
15
Japan
13
Southwestern States
13
Great Plains
12
Pacific Coast (U.S.)
11
Southwest, New
11
Africa
10
Europe
10
Florida
10
Foreign countries
10
Soviet Union
10
Yorkshire
10
Developing countries
9
Great Basin
9
Mexico
9
Nevada
9
Northeastern States
9
Texas
9
Great Britain
8
Nicaragua
8
Puerto Rico
8
Rocky Mountains Region
8
China
7
India
7
Belize
6
Central America
6
Innoko National Wildlife Refuge
6
Innoko National Wildlife Refuge (Alaska)
6
Iowa
6
more ...