Region
United States
6
North America
5
Brazil
4
Australia
3
Latin America
2
Amazon River Region
1
Bahamas
1
Botswana
1
British Columbia
1
Canada
1
Central America
1
Chile
1
Egypt
1
Everglades National Park (Fla.)
1
Florida
1
Gautemala
1
Laos
1
Malaysia
1
Mekong River
1
Mexico
1
Namibia
1
New Orleans (La.)
1
Nicaragua
1
Nile River
1
Nova Scotia
1
Queensland
1
Québec (Province)
1
Rio de Janeiro (Brazil)
1
San Francisco (Calif.)
1
Seoul (Korea)
1
South Africa
1
South America
1
South Korea
1
Sri Lanka
1
Victoria
1
Vietnam
1
Washington (D.C.)
1