Norway rats are an introduced commensal species in Oklahoma, and NatureServe’s SNA rank, not applicable, reflects that introduced species don’t receive a state conservation status. The record leans toward GBIF (41 of 52 combined records) over iNaturalist, suggesting trapping and survey data, not casual sightings, documents most of what’s known about this species here.
Records scatter thin across six months with May, September, and November each carrying 2 of the 9 monthly-tallied sightings, too sparse a pattern to describe a real seasonal trend, though a species that breeds year-round makes any true seasonality unlikely to begin with.
Full species profile
