A bayou is a slow-moving body of water, often found in low-lying areas, particularly in the southern United States. These wetlands can be freshwater or saltwater and are characterized by their rich biodiversity, including various plants and animals. Bayous are typically surrounded by lush vegetation, such as cypress trees and water lilies, which provide habitat for wildlife. Bayous play a crucial role in the ecosystem by filtering water and providing a habitat for species like alligators, herons, and fish. They also help in flood control by absorbing excess rainwater. Many bayous are connected to larger rivers, such as the Mississippi River, contributing to the intricate network of waterways in the region.