A swamp is a type of freshwater wetland that has spongy, muddy land and a lot of water. Many trees and shrubs grow in swamps.
 

Wetlands that don't include a lot of trees are usually called a marsh.

Swamps have very slow moving water. There is a lot of decaying plant material in a swamp.

Swamps are very good habitats for wildlife like alligators, turtles, snakes, frogs and fish. You will also find many types of birds and mammals. Swamps have many insects like mosquitoes.

 
The most famous swamps in the United States are the Everglades and Okefenokee Swamp (Georgia and Florida). The water is usually very shallow. Special boats, called air boats, have flat bottoms and run by air power from a large fan. They make very good swamp boats. If a boat had a regular boat motor it would constantly get fouled with plant material.
 

Related Terms
marsh - like a swamp but with few trees

 
 
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