Rattus Norvegicus is commonly known as the brown rat or Norway rat. However, there are several other synonyms used to refer to this rodent, including sewer rat, wharf rat, Hanover rat, and common rat. Brown rats are one of the most widely distributed species in the world, and their adaptability and resilience have made them a notorious pest in domestic and industrial settings. They are known to carry diseases, cause damage to property, and compete with native wildlife for resources. Understanding the synonyms for Rattus Norvegicus can help in identifying and controlling infestations, as well as informing conservation efforts.