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Volunteers hunt for Northern African rock pythons and other non-native snakes in the Florida Everglades on January 29, 2015 in Miami, Florida. The National Park Service along with The Florida Fish and Wildlife Conservation Commission, the Everglades Cooperative Invasive Species Management Area (ECISMA), Miami-Dade County, South Florida Water Management District, U.S. Fish and Wildlife Service, and the United States Geological Survey, University of Florida were surveying an area for the Northern African pythons (also called African rock pythons) and the Burmese Python in western Miami-Dade County. The teams of snake hunters were checking the levees, canals and marsh on foot for the invasive species of reptile. Many of the non-native snakes have been introduced in to the wild when people release pet snakes after they grow to large to keep. (Footage by Joe Raedle/Getty Images)