What do Norway rats look like?
- Size: 6-8 in. long and weigh approximately 1 lb.
- Color: Gray to brown
- Body Structure: Norway rats have heavy, thick bodies with shaggy hair, small eyes and a blunt nose. Typically, the tail is shorter than the length of the head and body combined.
Characteristics of Norway rats
Norway rats reach maturity within two months of birth and breed year-round. Females may have as many as seven litters in a single year, with 4-8 offspring per litter.
When are norway rats most active?
Where do Norway rats nest?
Outdoors, Norway rats often build burrows hidden under grass, wood piles, debris, and concrete slabs. They are social rodents, so if you find one burrow on your property, there’s a good chance there are other burrows nearby.
Indoors, Norway rats establish nests in basements, on ground floors, and although they prefer lower levels, they may occasionally nest in attics and other high points.
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