Rattus norvegicus (Berkenhout, 1769)

Norway (Brown) Rat

Specimen records of R. norvegicus, also referred to as the Brown Rat, are scattered throughout the state. Caire et al. (1989) reported specimen records from 23 counties. New records are reported from Caddo, Carter, Nowata, and Pottawatomie counties.

Specimen records (10). —Caddo County (1): 8 km NW Ft Cobb, 1 (UCOCV-MAM 4906). Carter County (1): 3.2 km W Gene Autry, 1 (UCOCV-MAM 5183). Nowata County (1): 0.8 km W Old Elm Bend School, 1 (YPM VZ YPM MAM 015703). Pottawatomie County (7): no specific locality, 3 (UCOCV-MAM 4572, 4905, 4912); Shawnee, 2 (UCOCV-MAM 4907, 4911); 4.8 km SE Earlsboro, 1 (UCOCV-MAM 4908); Shawnee, Oklahoma Baptist University, 1 (UCOCV-MAM 4909).