The roof rat has a long tail which is longer than the combined length of the head and body.
Norway roof rat size.
Roof rats are long and thin rodents that have large eyes and ears a pointed nose and a scaly tail.
And also because the norway rat can quickly adapt to the changes in the temperature compared to the 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.
Conspicuously shorter than their combined head and body their tails are carried with comparatively less movement than roof rats.
The adult roof rat is about 7 10 inches long and weighs about 5 9 ounces.
Norway rats droppings have blunt ends while those of roof rats have pointed ends.
Female norway rats have 12 teats.
Roof rats have black fur with pale underbellies while norway rats have brownish gray coats.
The fur of roof rat is smooth while the fur of the norway rat is rough and shaggy.
Additionally the roof rat typically has a much longer tail.
It weighs between 140 and 500 g.
Roof rats have soft and smooth fur that is typically brown with intermixed spots of black.
Overall they range from 12 inches to 18 inches and weigh from 10 to 17 ounces.
With a body length of 6 8 inches long.
Another way to differentiate between the two rodents is size.
Adult roof rats measure about eight inches in length while norway rats can be up to ten inches long.
Size of norway rats a typical adult norway rat can weigh 7 to 10 ounces or more their tail can also be longer than 11 cm and their body size can span a whopping 20 inches.
The brown rat also known as the common rat street rat sewer rat hanover rat norway rat norwegian rat parisian rat or wharf rat is a widespread species of common rat.
It is found in all the states in the usa but in coastal states the roof rat is more dominant.
Identification the norway rat is larger and more aggressive than the roof rat.
Roof rats being the smaller sized ones with a considerably slender body.
On the basis of the tail size.
You will recall that roof rats prefer warmer climates so they tend to be found living in coastal regions running all the way from texas in the south along to florida and all the way.
They have a birth weight of 5 to 6 grams each.
Regions where you will find roof and norway rats.
Their hind feet are about 1 7 inches long.
Norway rat pups are born hairless and not fully developed.
Thought to have originated in northern china this rodent has now spread to all continents except antarctica and is the dominant rat in europe and.
Adult roof rats measure 6 8 16 20 cm when combining their head and body length.
One of the largest muroids it is a brown or grey rodent with a head and body length of up to 28 cm long and a tail slightly shorter than that.
The nose is blunt with small ears and small eyes.
The diet of the roof rats is entirely different from their brethren species.
Roof rats possessing a long tail.