Larry Perez, from the National Park Service, hunts for Northern African rock pythons and other non-native snakes in the Florida Everglades on March 1, 2011, in Miami. The park service along with the Florida Fish and Wildlife Conservation Commission and its partners in the Everglades Cooperative Invasive Species Management Area are conducting a survey of Northern African pythons (also called African rock pythons) 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.
Joe Raedle, Getty Images file
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