Common Name
Brown Rat
Order
Rodentia
Family
Muridae
Species Name
Rattus norvegicus
Status
Lower risk
States
Alaska
Alabama
Arkansas
Arizona
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Iowa
Idaho
Illinois
Indiana
Kansas
Kentucky
Louisiana
Massachusetts
Maryland
Maine
Michigan
Minnesota
Mississippi
Missouri
Montana
North Carolina
North Dakota
Nebraska
New Hampshire
New Jersey
New Mexico
Nevada
New York
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Virginia
Vermont
Washington
Wisconsin
West Virginia
Wyoming
Distribution
Scattered across the United States but very scarce, in not absent, from the Rocky Mountains (might looks this way because of sampling effort).
Notes
Native to China and Siberia. Serious pest; carries fleas & lice carrying disease agents. From Europe; possibly the most destructive of all mammals. Burrows, frequents cities, eats anything edible. Albino strain used in biological and medical laboratories