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Norway Rat

Rattus norvegicus

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What are Norway Rats?

The Norway rat commonly referred to as the street or sewer rat, is believed to be of Asian origin, arriving in the U.S. on ships from other countries in the 1700s. Today, Norway rats are found throughout the world. Norway rats have poor vision and are colorblind. Their other senses, including hearing, smell, touch and taste make up for their bad vision. Although not agile, they are capable of running, climbing, jumping and swimming. Norway rats are known to cause damage to properties and structures through their gnawing.

Pest Stats

  • Color: Brown with scattered black hairs; gray to white underside
  • Legs: 4
  • Shape: Long, heavily bodied; blunt muzzle
  • Size: 7-9 ½ inches long
  • Antennae: No

“I called Pest Management Systems, Inc. requesting information about pest services concerning a particular insect I was seeing in my rental property. The receptionist was very knowledgeable concerning the insect with regards to how they breed and their season for egg hatching. She also advised me of alternative approaches to handle the situation. I really appreciate the fact that Pest Management Systems, Inc. did not attempt to sell a service that probably would not have provided the results I wished (like other popular pest control companies in my area attempted to do). I will definitely consider Pest Management Systems, Inc. in the near future. ”

Harold, Verified Google Review

What Do Norway Rats Look Like?

Norway rats have bristly brown fur, with black hairs dispersed throughout their coat. Their underside tends to be lighter, with gray to off-white coloring and even yellow tones. Norway rats have small eyes and ears, and their tails are shorter than the length of their head and body coupled together.

Signs of a Norway Rat Infestation

Gnaw marks throughout the house are one clue of the presence of Norway rats. New bite marks or holes tend to be rough, whereas older ones are smooth from wear and are also often greasy. Spotting droppings, which are capsule-shaped, is another key indicator of a Norway rat problem. Norway rats’ droppings have blunt ends, while those of roof rats have pointed ends. 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.

Norway Rat Prevention

How to Prevent Norway Rats

Norway rats can reproduce quickly, giving birth to about three to six litters each year. This makes it all the more important to take proactive measures, such as Norway rat control, to prevent an infestation from taking root.

Norway rats are often drawn to piles of wood, so homeowners should keep firewood stored well away from the structure and remove debris piles to reduce ideal nesting spots. It is also important to seal any holes on the outside of the home with steel wool to block potential points of entry. It is best to eliminate sources of moisture like leaky pipes, especially in crawl spaces and basements, as the dampness can attract Norway rats in search of drinking water. If you see signs of a Norway Rat infestation, please give us a call at 336-272-4400 to set up an inspection by one of our certified technicians.

How to Get Rid of Norway Rats

The safest and most effective way for homeowners to get rid of Norway rats is to work with a professional. PMi can help with these infestations.

Threats

Thanks to their propensity to gnaw through almost anything, Norway rats can cause damage to properties and structures, making them a threat to homeowners. Equally important, Norway rats are carriers of serious diseases, including jaundice, rat-bite fever, cowpox virus, trichinosis and salmonellosis. Norway rats also pose other health threats, as they can contaminate food and introduce fleas into a home.

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