Rodents in Massachusetts

Picture of Two House Mice

Identifying Rodents in Massachusetts Homes

House mice, deer mice, and Norway rats are all common species of rodents in Massachusetts. Finding grain-size droppings, gnawed open food packages, or chewed wires are key indicators of mouse and rat infestations. Since all rodents have the ability to carry a variety of diseases, homeowners should be on guard.

Mice

Picture of Mouse

While most rodents seek shelter indoors, house mice are the species typically found inside. They put the health and safety of residents at risk by contaminating food with their urine and droppings.

They also spread mites, ticks, and fleas. In addition to the house mouse, Massachusetts is home to white-footed or North American deer mice. These rodents spread Hantavirus, a potentially fatal disease.

Rats

Picture of a Roof Rat

Norway rats, also known as brown rats, are found throughout Massachusetts. They invade homes in search of stored food and trash. These rodents can carry rat-bite fever, salmonellosis, and murine typhus, which all threaten human health.

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