Region
United States
6
India
2
Antarctica
1
British Columbia
1
Colorado
1
Developing countries
1
Galapagos Islands
1
Idaho
1
Latin America
1
Mexico
1
Parque Nacional Galápagos
1
Parque Nacional Galápagos (Galapagos Islands)
1
Pennsylvania
1
Philadelphia
1
Vancouver
1
Vancouver (B.C.)
1
Yaqui River Valley
1