Abstract: Nile monitors are established in the C-51 Basin in Palm Beach County. Nile Monitors have been confirmed as far east as I-95 along the C-51 and west to within 2 kilometers of Stormwater Treatment Area (STA) 1E and the Arthur R. Marshall Loxahatchee National Wildlife Refuge (Lox NWR). There have also been a number of observations along canals and in neighborhoods to the north and south of the C-51 Canal. Nile Monitors are semi-aquatic habitat generalists and can be found in both freshwater and estuaries. In Florida, they are most often found along networks of vegetated canal banks. They are diet generalists consuming invertebrates, fish, reptiles, amphibians, mammals, eggs, and carrion. Possible threats to native species [...]