Norwegian Roof Rats

Other signs include footprints greasy and dark rub marks from oily fur against pathways burrows runways with stacked food and damaged or rummaged through food products.

Norwegian roof rats.

The droppings are capsule shaped and have blunt ends. It weighs between 140 and 500 g 5 and 17 3 4 oz. Sometimes called norway wood rats or norwegian water rats norway rats are prevalent throughout north america. While these pests may look the same to the untrained eye they do differ in appearance size and behavior.

Roof rats possessing a long tail. Though there are many types of rats found across the mid atlantic states two that cause issues for residents and business owners are roof rats and norway rats. Roof rats are also referred to as black rats or ship rats. Norway rats droppings have blunt ends while those of roof rats have pointed ends.

Also called the black rat ship rat or old english rat the roof rat measures 6 8 inches long and has a tail that s slightly longer than its body. Facts about rats roof rat or black rat. When the two species occupy the same building norway rats may dominate the basement and ground floors with roof rats occupying the attic or second and third floors. By the 1800s they were present as far as ontario canada.

Roof rats are not as common as norway rats. And also because the norway rat can quickly adapt to the changes in the temperature compared to the roof rats. It will kill a roof rat in a fight. The norway rat droppings are 1 4 to 1 2 inch in length.

What do they eat. They re typically found within 100 miles of the gulf coastline or the coastline of the western united states. The roof rat is the smaller of the two commensal rats as the norway rat is larger in size. The brown rat rattus norvegicus also known as the common rat street rat sewer rat wharf rat hanover rat norway rat norwegian rat or parisian rat is a widespread species of common rat one of the largest muroids it is a brown or grey rodent with a head and body length of up to 28 cm 11 in long and a tail slightly shorter than that.

Roof rats live in trees or vine covered fences landscaped residential and industrial areas parks with ponds or reservoirs riverbanks and streams. Roof rats being the smaller sized ones with a considerably slender body. Norway rats will leave a mark as they drag their tails between their feet. The norway rat is larger and the more dominant species.

On the basis of the tail size. More widely distributed than roof rats norway rats burrow into the ground along streams and rivers under buildings and in garbage dumps. The diet of the roof rats is entirely different from their brethren species. Norway and roof rats don t get along.

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. The roof rat gets its name from its tendency to find shelter in the upper parts of buildings.