The brown rat (Rattus norvegicus), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat and Norwegian rat, is a widespread, common species of rat.

Dec 10, 2025 · Read our guide to learn how to get rid of Norway rats, also known as brown rats, and how to distinguish these pests from other species.

What Are Norway Rats? The Norway rat commonly referred to as the street or sewer rat, is believed to be of Asian origin, arriving in the U.S. on ships from other countries in the 1700s. …

Norway rats, also called brown rats, are foragers that can survive on a wide range of food, which has helped them successfully spread across the world.

Norway rats are burrowing rodents that were introduced to North America from Europe. Also called brown rats, house rats, barn rats, sewer rats, gray rats, or wharf rats, they are slightly …

Discover everything you could want to know about Norway rats, including where they live, the threats they pose and how to get rid of them.

A Norway rat has a blunt nose and small close-set bald ears. Its tail is fatter at base, cylindrical, scaly, semi-naked, shorter than the body, and pink or tan in color. The muskrat (Ondatra …

brown rat, (Rattus norvegicus), species of rat found on every continent except Antarctica. The alternate name “Norway rat” came from a false hypothesis widely believed in 18th-century …

Norway rats (Rattus norvegicus), also known as brown rats, are one of the most common and adaptable rodents in North America. Known for their strong burrowing habits and knack for …

Norway rats (Rattus norvegicus), also known as brown rats, are considered the greatest mammalian pest of humans, particularly in urban areas. The Norway rat thrives wherever …