Roof rats being the smaller sized ones with a considerably slender body.
Pictures of roof rats and norway rats.
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.
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.
While roof rats excel scaling your roof norway rats are powerful swimmers.
The diet of the roof rats is entirely different from their brethren species.
While these pests may look the same to the untrained eye they do differ in appearance size and behavior.
They re typically found within 100 miles of the gulf coastline or the coastline of the western united states.
Norway rats reach sexual maturity in 2 to 5 months and can breed any month of the year.
Roof rats possessing a long tail.
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.
Norway rats are large bulky rodents nearly synonymous with human habitation.
They have stiff dark gray or brown fur and scaly tails to go with their hairless ears.
Roof rat nests.
Adults generally live up to one year in the wild.
Also known as brown rats or sewer rats these pests can grow to 15 inches in length from nose to tail.
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.
Norway rats will leave a mark as they drag their tails between their feet.
Roof rats will also make tunnels through insulation and will leave chew marks wood pipes.
The droppings are capsule shaped and have blunt ends.
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.
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.
And also because the norway rat can quickly adapt to the changes in the temperature compared to the roof rats.
Females can have three to 12 litters per year and litters may number from 4 to 22.
The norway rat droppings are 1 4 to 1 2 inch in length.
On the basis of the tail size.
The tail markings and hind feet markings of the norway rat and of the roof rat are hard to differentiate between each other.
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.
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.
Norway rats tend to look more well fed and rounder than roof rats with small eyes close set ears and a shorter tail.
