The Norway rat carries exotic and introduced status in Florida, and NatureServe assigns it SNA since state conservation ranks don’t apply to non-native species. Its 89 documented records, 71 from iNaturalist and 66 from GBIF, are modest for such a widespread commensal rodent, which likely says more about how rarely people photograph or report rats than about where the species actually lives.
March produces the most reports at 15, with May close behind at 14, then a sharp drop through summer. Detection near buildings, docks, and developed areas probably shapes when Norway rats get noticed and reported, so this spring bump reflects observation patterns more than a real population peak.
Full species profile
