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Rats

Rats are the single most common nuisance animal in Chicago. Male rats are called bucks, unmated females are called does, pregnant or parent females are called dams and infants are called kittens or pups. A group of rats is either referred to as a pack or mischief. “True rats” are members of the genus Rattus. The most common kind of rats are the black rat – Rattus rattus and also the brown rat – Rattus norvegicus.

They usually enter a home or building merely for warmth and shelter but also for food. Once inside, they can make a lot of scurrying and scratching noises. They also chew on wires, defecate, urinate everywhere and raid the pantry. They are nocturnal and are amazingly fast and agile.