Rattus norvegicus is commonly known by which of the following names?

Rattus norvegicus, widely known, is commonly referred to by several names, all of which accurately describe this particular species of rat. "Sewer rat" reflects its typical habitat, often found in urban areas where sewers provide ideal living conditions. The name "Norway rat" originates from the misconception that these rats came from Norway, although they are believed to have originated in Central Asia. "Brown rat" denotes its common coloration, which is generally brown or gray, making it easily identifiable. Collectively, these names highlight different facets of the species' behavior and habitat, illustrating how adaptable and ubiquitous Rattus norvegicus is in various environments. Thus, the most comprehensive answer includes all of the terms associated with this species.