Region
United States
6,931
Colorado
1,372
California
616
Alaska
476
Oregon
354
Wyoming
347
Washington (State)
319
Florida
268
Arizona
247
Idaho
228
New Mexico
220
Montana
219
Utah
194
Texas
181
West (U.S.)
174
Nevada
165
Tongass National Forest
165
New York (State)
156
Pennsylvania
144
Mexico, Gulf of
137
China
119
Massachusetts
107
North America
107
Michigan
105
Tongass National Forest (Alaska)
103
North Carolina
100
Virginia
100
Minnesota
97
Wisconsin
96
Ohio
95
Louisiana
92
New Jersey
89
Kansas
88
Hawaii
82
Great Lakes (North America)
79
Tennessee
79
Maryland
76
Illinois
74
Georgia
69
Missouri
67
North Dakota
63
South Carolina
62
Developing countries
61
Indiana
59
West Virginia
59
Arctic regions
58
India
58
South Dakota
58
Europe
56
Kentucky
56
more ...