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Norway Rat Rodent Library - Identify Norway Rat Damage - Victor Norway Rat Control



Other Names: Brown Rat, Gray Rat, Common Rat, House Rat, Wharf Rat, Water Rat, Barn Rat, Sewer Rat, Super Rat


These "super rats" can reach 16" in length.  Each female rat can give birth to 20 pups in her lifetime. Some factors affecting rat populations in cities include continuously mild winters, weather-related disasters, and encroachment of their habitats by new urban development.




Identify Damage

Droppings   |   Gnaw Marks   |   Sounds & Odors

Droppings, gnaw marks, and urine odors are just a few signs of rat activity.




Droppings are the most commonly encountered evidence of rodent activity. Even a small rat infestation can produce literally thousands of droppings in a short period of time.


An adult rat typically produces 40 to 50 droppings per day.  These fecal pellets are usually dark-colored, 3/4 inch in length, and blunt at both ends.



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Gnaw Marks

Norway Rat Rodent Library - Identify Norway Rat Damage - Victor Norway Rat Control


Evidence of recent gnawing is an excellent sign for determining the presence of Norway rats.


Rats tend to gnaw on wooden structures such as corners, floor joists, and wall studs. When Norway Rats gnaw holes into cartons and boxes, the holes typically measure about 2 inches in diameter and often contain rough, torn edges.



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Sounds & Odors


Another indication that rats are present is a strong musty odor. Cats and dogs may excitedly sniff and probe an area where rats or mice are present, and often indicate this by scratching or making unusual sounds.


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Victor®, the industry leader in rodent control, offers a variety of innovative rat control solutions such as electronic rat traps , ultrasonic rat repellents and rodenticides to help you with all your rodent control needs. Victor® has all the information you need to get rid of the rat in your home.



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