Where you live in the usa is going to determine whether you are most likely to see a roof rat or a norway rat.
Norway roof rat size.
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.
Roof rats are long and thin rodents that have large eyes and ears a pointed nose and a scaly tail.
Regions where you will find roof and norway rats.
On the basis of the tail size.
With a body length of 6 8 inches long.
Roof rats have soft and smooth fur that is typically brown with intermixed spots of black.
The roof rat has a long tail which is longer than the combined length of the head and body.
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.
Roof rats have black fur with pale underbellies while norway rats have brownish gray coats.
Female norway rats have 12 teats.
Roof rats being the smaller sized ones with a considerably slender body.
The nose is blunt with small ears and small eyes.
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.
Their undersides are often white gray or black.
Their hind feet are about 1 7 inches long.
Identification the norway rat is larger and more aggressive than the roof rat.
It is found in all the states in the usa but in coastal states the roof rat is more dominant.
They have a birth weight of 5 to 6 grams each.
Another way to differentiate between the two rodents is size.
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 adult roof rat is about 7 10 inches long and weighs about 5 9 ounces.
As an adult the norway rat can weigh between 12 16 oz.
Overall they range from 12 inches to 18 inches and weigh from 10 to 17 ounces.
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.
Norway rats droppings have blunt ends while those of roof rats have pointed ends.
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.
Adult roof rats measure about eight inches in length while norway rats can be up to ten inches long.
The diet of the roof rats is entirely different from their brethren species.
Roof rats possessing a long tail.
And also because the norway rat can quickly adapt to the changes in the temperature compared to the roof rats.
