Collier–Seminole State Park is a Florida State Park located on US 41, 17 miles (27 km) south of Naples, Florida. The park is the home of a National Historic Mechanical Engineering Landmark, the Bay City Walking Dredge used to build the Tamiami Trail through the Everglades. The park includes of 6,430 acres (26 km2) of mangrove swamp, cypress swamps, salt marshes, mangrove river estuaries, and pine flatwoods. Among the wildlife of the park are American alligators, raccoons, ospreys, and American white ibis. brown pelicans, wood storks, bald eagles, red-cockaded woodpeckers, American crocodiles, Florida black bears (Ursus americanus floridanus) and Big Cypress fox squirrels (Sciurus niger avicennia) also inhabit the park.