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K9 Bed Bug Inspections

Norway Rats

norway-rat

Rats are found everywhere on earth where man is. They are one of the most adaptable animals that are alive today, and the most intelligent of the rodents. Rats are able to discern different human personalities and a pet white rat (which is the same species as a wild rat) easily learns the difference between it's regular handler and a stranger. The Norway rat are the predominant species around the world.


Description: Norway rats are husky, brownish rodents that weigh about 11 ounces. They are about 13 to 18 inches long including the 6 to 8 1/2 inch tail. Their fur is coarse and mostly brown with scattered black on the upper surfaces. The underside is typically grey to yellowish-white.


Habits: Rats will eat nearly any type of food, but they prefer high-quality foods such as meat and fresh grain. Rats require 1/2 to 1 fluid ounce of water daily when feeding on dry food. Rats have keen taste, hearing and sense of smell. They will climb to find food or shelter, and they can gain entrance to a building through any opening larger than 1/2 inch across.


Biology: Rats have litters of 6 to 12 young, which are born 21 to 23 days after mating. Young rats reach reproductive maturity in about three months. Breeding is most active in spring and fall. The average female has four to six litters per year. Rats can live for up to 18 months, but most die before they are one year old.