Region
North America
32
United States
22
Canada
6
Latin America
6
Australia
5
California
5
Central America
5
Great Britain
5
Florida
4
Sri Lanka
4
Africa
2
British Isles
2
Colombia
2
Costa Rica
2
Dominica
2
Galapagos Islands
2
Hawaii
2
Hispaniola
2
Illinois
2
Kealia Pond National Wildlife Refuge
2
Kealia Pond National Wildlife Refuge (Hawaii)
2
Mexico
2
South America
2
Southwest, New
2
Texas
2
West Indies
2
America
1
Arizona
1
Asia
1
Australia, Southeastern
1
Bastrop Region
1
Borneo
1
Boston (Mass.)
1
Cameroon
1
Canada, Eastern
1
Caribbean Area
1
Chile
1
China
1
Connecticut
1
Denmark
1
East (U.S.)
1
Eastern Oregon
1
Ecuador
1
Egypt
1
England
1
Galápagos Islands
1
Germany
1
Gorgona Island
1
Greece
1
Greenland
1
more ...