Alligators are a primary attraction on many of the tours. Some swamp guides will actually feed the alligators so that tourists can get a closer look at the creatures. Egrets, raccoons and nutria rats are also commonly sighted on the tours. Farmers will often flood a portion of their land and set wire traps in time for the crawfish season. Shrimp may also take refuge in these man-made abysses, only to be caught and used as an additional food source.
Crabs are also abundant in the briny marshes of southern Louisiana.
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