Norway Rat

Color: Gray, brown or black Size: 10 to 12 inches (8″ body plus 4″ tail)
Legs: 4 Antennae: No
Shape: Long Region: N/A

These rats have smaller eyes and ears and shorter tails.

Habits

Rats are excellent climbers and often enter a home in the fall when outside food sources become scarce.

Habitats

Norway rats live in fields, farm lands and in structures. Rats are often found in woodpiles. Rodents can gain entry to a home through a hole the size of a quarter.

Threats

Rats can chew through wiring, causing fires. They also spread numerous diseases.

Prevention

Keep firewood stored well away from the structure. Remove debris piles. Seal any holes larger than 1/4 inch. Remove moisture and harborage sources.

NOTE: Hantavirus pulmonary syndrome (HPS) is a deadly disease transmitted by infected rodents through urine, droppings, or saliva. Humans can contract the disease when they breathe in aerosolized virus. HPS was first recognized in 1993 and has since been identified throughout the United States. Although rare, HPS is potentially deadly. Rodent control in and around the home remains the primary strategy for preventing hantavirus infection.

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More info on HPS