Norway Rats and Roof Rats will leave a hind foot track of about 3/4-1 inch where a mouse's track measure's 3/8 of an inch or less. Also called brown rats, house rats, barn rats, sewer rats, gray rats, or wharf rats, they are slightly larger than roof rats. These 70 rats can start to breed by the time they are 3 months old. Norway Rats vs.

They are often brown but could also appear tan or grey. Norway Rat vs. Roof Rats. Weight: Roof Rats can weigh between 8-12 ounces and Norway rats can weight between 10-17 ounces.

Roof rats are smaller than Norway rats, but Norway rats have a shorter tail. Unlike Norway rats, their tails are longer than their heads and bodies combined. Roof rats (Rattus rattus), sometimes called black rats, are slightly smaller than Norway rats. In addition, the tail of a Norway rat is shorter than its body.

Swimming: Roof Rats are excellent climbers while Norway rats are excellent swimmers.

Roof rats and Norway rats are two of the more common rodents that infest homes and businesses in South Carolina in the winter. Many people often confuse Norway rats and roof rats, but they are actually quite different.

Norway and roof rats don’t get along.

Roof Rats (aka: Black, Ship, Tree, or Climbing Rats) can often be seen walking along power lines or fence tops. Roof rats have tails longer than their bodies. The droppings are capsule shaped and have blunt ends. Norway Rat: Norway rat droppings are dark brown in color. They have longer, pointed snouts and long hairless tails. Norway Rat Habits Vs Roof Rat Habits. While the roof rat may be more common in the top floors of buildings, it's also possible to see Norway rats in attic spaces.

Norway Rats. Instead, consider the builds of Norway rats vs. roof rats. Also called brown rats, these are the larger of the two species. While often called brown or black rats, these pests can range in color from white to black. Norway Rat – small eyes, small ears, stocky short hairless tail; Roof Rat – large eyes, large ears, slender longer hairless tail; House mouse – small all the way around with a tail as coated with fur as the rest of its body; Habits of each rodent. How Do Norway Rats Get in the Attic? The Norway Rat droppings are 1/4 to 1/2 inch in length. Identifying the rodent type. There are several more reliable ways to identify them: The body of a Norway rat is large and stocky, while that of a roof rat is small and sleek. Explain the options for control of Norway rats. Location They’ll crawl across tree branches that hang above roofs and sneak in through windows or attics.

Roof rats aren't native to the Americas but arrived here on the first sailing ships from Europe. They are tapered, spindle shaped droppings that resemble large grains of rice. Roof Rats will be more commonly found in your attic while Norway Rats on the ground level.