While we have focused on roof rats and norway rats as being vermin and unwelcome as unlikely as it may seem these rats do have a positive trait.
Pictures of roof rats and norway rats.
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.
And also because the norway rat can quickly adapt to the changes in the temperature compared to the roof rats.
Roof rat nests.
The norway rat droppings are 1 4 to 1 2 inch in length.
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.
Roof rats possessing a long tail.
On the basis of the tail size.
Also known as brown rats or sewer rats these pests can grow to 15 inches in length from nose to tail.
The droppings are capsule shaped and have blunt ends.
Norway rats tend to look more well fed and rounder than roof rats with small eyes close set ears and a shorter tail.
Norway rats reach sexual maturity in 2 to 5 months and can breed any month of the year.
They re typically found within 100 miles of the gulf coastline or the coastline of the western united states.
While these pests may look the same to the untrained eye they do differ in appearance size and behavior.
Roof rats being the smaller sized ones with a considerably slender body.
Differences between roof rats and norway rats.
While roof rats excel scaling your roof norway rats are powerful swimmers.
The tail markings and hind feet markings of the norway rat and of the roof rat are hard to differentiate between each other.
Facts about rats roof rat or black rat.
They have stiff dark gray or brown fur and scaly tails to go with their hairless ears.
Roof rats prefer to build their nests and live in dense cover and shadows of thick shrubbery vine covered trees power lines and.
Females can have three to 12 litters per year and litters may number from 4 to 22.
Adults generally live up to one year in the wild.
Due to their genes being 90 equivalent to that of humans medical research on rats has allowed for many significant strides in the study of human diseases.
The roof rat feces are spindle shaped and reach about 1 2 inch in size the norway rat s droppings have a capsule shape.
Roof rats are not as common as norway rats.
Thus roof rats usually have little problems living and making their nests in places that are located off the ground unlike their rat cousins the norway rat which is an underground burrower.
The diet of the roof rats is entirely different from their brethren species.
Norway rats are large bulky rodents nearly synonymous with human habitation.
Because norway rats tend to be larger their droppings are also larger about 3 4 inch long whereas roof rat droppings are usually about half an inch.