Swamps Like Saskatchewan River Delta

Slave River Delta

Swamp

7.72 Good

Columbia

River

9.32 Excellent

Saint Lawrence

River

9.03 Excellent

Mackenzie

River

9.03 Excellent

Peace-Athabasca Delta

Swamp

9.02 Excellent

Fraser

River

8.92 Great

Georgian Bay

Bay

8.78 Great

Old Crow Flats

Marsh

8.44 Great

Seney National Wildlife Refuge

Swamp

7.84 Good

J. Clark Salyer National Wildlife Refuge

Marsh

7.68 Good

Thunder Bay

Bay

7.55 Good

Nelson

River

7.51 Good

Okavango Delta Marshes

Marsh

9.48 Excellent

Florida Everglades

Marsh

9.45 Excellent

Northern Great Plains

Prairie

9.21 Excellent

Esteros del Iberá

Swamp

9.20 Excellent

Okefenokee Swamp

Swamp

9.20 Excellent

Atchafalaya Basin

Swamp

9.20 Excellent

Iberá Wetlands

Swamp

9.20 Excellent

Lake Superior

Lake

9.20 Excellent

Lake Tahoe

Lake

9.20 Excellent

Crater Lake

Lake

9.20 Excellent

Lake Michigan

Lake

9.20 Excellent

Bay of Fundy

Bay

9.20 Excellent