Australia (44)
Texas (22)
North America (21)
Middle West (17)
United States (17)
Great Britain (13)
Europe (10)
California (9)
Illinois (9)
Canada (8)
Southern States (8)
Canada, Eastern (7)
Northeastern States (7)
Costa Rica (6)
West (U.S.) (6)
East (U.S.) (5)
Indian Ocean (4)
Ireland (4)
New Mexico (4)
North Carolina (4)
Africa (3)
Alabama (3)
Asia (3)
British Isles (3)
Colorado (3)
Florida (3)
Kentucky (3)
Kenya (3)
Madagascar (3)
Tropics (3)
Africa, Central (2)
Africa, North (2)
Africa, West (2)
Brazil (2)
British Columbia (2)
Caribbean Area (2)
Chile (2)
China (2)
Coastal Bend (2)
Great Lakes Region (North America) (2)
Great Plains (2)
Indiana (2)
Iowa (2)
Maasai Mara National Reserve (2)
Maasai Mara National Reserve (Kenya) (2)
Middle East (2)
Minnesota (2)
New England (2)
New York (State) (2)
Sierra Nevada (Calif. and Nev.) (2)
Singapore (2)
South Asia (2)
South Carolina (2)
Victoria (2)
Virginia (2)
Western Australia (2)
Wisconsin (2)
Africa, East (1)
Africa, Southern (1)
Antarctica (1)
Appalachian Mountains (1)
Appalachian Region (1)
Appalachian Region, Southern (1)
Arctic regions (1)
Argentina (1)
Aruba (1)
Asia, Central (1)
Atlantic Coast (1)
Atlantic Coast (North America) (1)
Atlantic Coast (U.S.) (1)
Atlantic States (1)
Australasia (1)
Australia, Northern (1)
Bass Strait (Vic. and Tas.) (1)
Big Bend National Park (1)
Big Bend National Park (Tex.) (1)
Big Bend Region (1)
Bonaire (1)
Brazil, Southeast (1)
California, Southern (1)
Canada, Western (1)
Cape Cod (1)
Cape Cod (Mass.) (1)
Chihuahuan Desert (1)
Christmas Island (Indian Ocean) (1)
Concho River Watershed (1)
Connecticut (1)
Curaçao (1)
East United States (1)
Ecuador (1)
Europe, Western (1)
Everglades National Park Region (1)
Former Soviet republics (1)
France (1)
Georgia (1)
Gila National Forest (1)
Gila National Forest (N.M.) (1)
Gila Wilderness (1)
Gila Wilderness (N.M.) (1)
Greenland (1)
