The tail markings and hind feet markings of the norway rat and of the roof rat are hard to differentiate between each other.
Roof rats in nh.
Adult roof rats measure 6 8 16 20 cm when combining their head and body length.
The most common rats found inside are black rats also called roof rats and brown rats also called norway rats.
Roof rats are long and thin rodents that have large eyes and ears a pointed nose and a scaly tail.
When they get into homes they can get into everything.
The dead fronds of thick palm trees thick vegetation that grows over fences and utility lines.
All rats are the same level of intruder.
Both of these rat species are able to get into many places inside a home or business.
Roof rats have soft and smooth fur that is typically brown with intermixed spots of black.
Roof rats prefer to build their nests and live in dense cover and shadows of thick shrubbery vine covered trees power lines and fences.
These creatures make these nests inside and outside of structures.
The roof rat feces are spindle shaped and reach about 1 2 inch in size the norway rat s droppings have a capsule shape.
Other roof rat features include large ears with very little hair and pointy faces.
Roof rats will also make tunnels through insulation and will leave chew marks wood pipes.
Roof rats are generally black in color while norway rats are brown or gray.
Rattus rattus originating in southeast asia roof rats get their name from their love of climbing and living in high buildings.
The most common rat invaders are roof rats and norway rats.
Roof rats have smaller and sleeker bodies than norway rats and their fur is smooth.
This makes them as invasive as mice and equally dangerous when it comes to spreading diseases and illness.
The main difference between rats and mice is that rats are larger and they spread more diseases.
Typical rats only live a few years.
Their undersides are often white gray or black.