7 Rodents in Missouri That Are Each Resident’s Nightmare

7 Rodents in Missouri That Are Every Resident’s Nightmare

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Missouri is thought for its rolling hills, vibrant cities, and lots of outside actions. However there’s one factor that guests and residents alike could not understand: Missouri additionally has its fair proportion of pests, together with rodents. Curious to be taught concerning the rodents in Missouri which can be nightmare-worthy? Maintain studying! 

From Norway rats to nutria, these rodents can wreak havoc on our houses, unfold illness, and trigger property harm.

1. Norway Rat (Rattus norvegicus)

The Norway rat or brown rat is native to China, however resulting from human journey, has been capable of entry ships and populate each continent besides Antarctica.

©Holger Kirk/Shutterstock.com

Probably the most widespread rodents in Missouri is the Norway rat. These rats have been round for the reason that Center Ages and have unfold to each continent besides Antarctica. They’re brownish-gray, with pointed noses and scaly tails.

They’re midsize rodents, rising as much as 16 inches in size. Norway rats will be recognized by their thick, virtually scaly fur and lengthy tails. They’ve poor imaginative and prescient however are very delicate to sound, scent, and contact.

Norway rats are primarily nocturnal however will come out for meals and shelter in the course of the day. They’re omnivores, consuming each plant and animal matter. Norway rats are social creatures; they will reside in colonies of as much as 200 people. They’re identified to scavenge for meals and arrange nests close to human dwellings.

These rodents are identified for his or her wonderful swimming talents and might dive underwater for a number of minutes! Moreover, feminine Norway rats can produce as much as 7 litters yearly, with a mean of 8 to 12 pups per litter.


Norway rats are a major menace to folks in Missouri as a result of illnesses they will unfold by their droppings and urine. They’ll additionally trigger substantial harm to property as they gnaw on wires, pipes, and partitions in quest of meals or shelter.

These rodents are identified for spreading illness, contaminating meals and water provides, destroying property, and even biting people. Additionally they carry fleas, ticks, and lice that may unfold illnesses resembling typhus, plague, and rat-bite fever. 

2. Home Mouse (Mus musculus)

House mouse
The home mouse is small with greyish-brown to black fur and is often about 4 inches lengthy.

©iStock.com/Víctor Suárez Naranjo

The home mouse is a standard rodent in the USA, and Missouri is not any exception. This small mammal will be present in houses all through the state, inflicting varied issues for its human neighbors – from unsanitary circumstances to break to property.

The home mouse is small with greyish-brown to black fur and is often about 4 inches lengthy. It has giant ears and a rounded snout, with whiskers that assist it really feel its method round. It has tiny toes and a skinny tail about the identical size as its physique.

Home mice are omnivorous, consuming each plant and animal matter. They’ve a excessive metabolism, which implies they eat typically and might eat as much as 3 times their physique weight in meals every day. They like grains, nuts, and seeds however eat bugs, useless animals, and human meals.

Home mice are nocturnal and are lively at night time. They sleep in the course of the day. Home mouses often reside in sheltered areas resembling attics and basements however might also be present in garages or sheds. They’ll climb and bounce and are good at squeezing by small areas.

These rodents are prolific breeders, with females capable of produce as much as 6 litters yearly, with every litter containing as much as 10 pups!


The home mouse shouldn’t be solely an unwelcome visitor in our houses however may trigger varied points. They’re thought-about pests resulting from their potential to unfold illness by their droppings and urine and contaminate meals sources. They’ll additionally trigger property harm by gnawing on partitions and wires and constructing nests in attics and different areas of the house.

3. Deer Mouse (Peromyscus maniculatus)

White-footed Mouse
Deer mice choose to reside in grassy areas and fields however are additionally widespread round buildings and houses.


The deer mouse is a small rodent native to North America and located all through Missouri with an virtually cartoon-like look. Nonetheless, their behaviors and habits can create nightmares for Missouri residents who encounter them.

The deer mouse sometimes has gentle brown or grey fur on its again and a white underside. Its tail is often about the identical size as its physique, with a white tip on the finish. Adults are sometimes between 4 and 6 inches lengthy, making them bigger than home mice. This rodent will get its title from its giant eyes and virtually related deer-like colour.

Deer mice choose to reside in grassy areas and fields however are additionally widespread round buildings and houses. They feed primarily on seeds, nuts, fruits, and bugs. Throughout the fall months, they retailer meals for the winter in caches round their habitat.

Like different rodents, deer mice are nocturnal and spend most of their time looking for meals. They’re additionally very curious and will be fairly fearless round folks, even coming into houses looking for meals and shelter. Within the wild, they have an inclination to reside in small household teams of as much as 10 mice and share a nest or den.


The deer mouse is a standard sight in Missouri and might pose important well being dangers to people. Some people carry hantavirus, a doubtlessly lethal virus that people can contract by contact with contaminated mice’s urine, droppings, or saliva. It may also be contracted by inhaling mud particles contaminated with the virus, resulting in hantavirus pulmonary syndrome, a deadly respiratory illness.

Along with the well being dangers of hantavirus, deer mice may trigger important property harm. They’re identified to chew by electrical wires, harm constructing supplies like insulation, drywall, and siding, and unfold fleas, ticks, and mites.

4. Vole (Microtus)

Child financial institution voles©gailhampshire from Cradley, Malvern, U.Okay, CC BY 2.0 , by way of Wikimedia Commons – License

Voles are small rodents that may be discovered in lots of components of Missouri. They appear just like mice however have quick tails, small ears, and thick fur. Voles have darkish or gentle brown fur and white patches on their face and again. They’ll develop as much as 10 inches lengthy and weigh round 6 to eight ounces. Voles are sometimes mistaken for discipline mice.

Voles are omnivorous, which means they are going to feed on varied meals gadgets. They have a tendency to feed on grasses, crops, roots, and bulbs. Additionally they eat bugs, larvae, and different small creatures.

Voles are lively primarily at night time however may also be seen in the course of the day. They’re often discovered close to streams and rivers with loads of vegetation, they usually have a tendency to construct tunnels slightly below the soil. Voles additionally dig shallow burrows, which will be as much as two toes deep.


Voles may cause important harm to property by destroying lawns and gardens. In Missouri, voles trigger substantial harm to the state’s crops. Additionally they eat greens, fruits, and different crops, which might result in losses for farmers. Additionally they carry illnesses and parasites, resembling fleas and ticks, that may have an effect on people.

Nonetheless, it’s value mentioning that voles have a task to play within the ecosystem. They management plant development, and their tunnels and burrows present houses for different animals like snakes and bugs.

5. Southern Bathroom Lemming (Synaptomys cooperi)

The southern lavatory lemming is a small rodent native to Missouri. It’s a solitary mammal dwelling in moist or boggy areas. Regardless of their small dimension, southern lavatory lemmings have been creating nightmares for Missouri residents resulting from their burrowing and tunneling habits, which might result in property harm.

Southern lavatory lemmings are small, about 4 to six inches lengthy, with a reddish-brown fur coat. They’ve small ears and lengthy tails used for steadiness when operating. Additionally they have tiny claws that assist dig and tunnel by the soil.

Southern lavatory lemmings are omnivorous and are identified to eat bugs, spiders, and larvae. Additionally they feed on grasses, leaves, fruit, and different vegetation.

Southern lavatory lemmings are solitary creatures that choose to reside in wetlands, moist meadows, and different areas with loads of water. They’re lively each day and night time and don’t hibernate within the winter.

Sadly, though southern lavatory lemmings could create some nightmares for people, it’s nonetheless vital to guard this species in Missouri, as they’re a sign of wetland well being. Their populations have declined in recent times resulting from habitat loss and fragmentation.


Southern lavatory lemmings’ burrowing and tunneling habits are inflicting important points for Missouri residents. Their tunnels can weaken the foundations of buildings, yards, and roads, and they’re additionally identified to eat vegetation from gardens and flower beds. In consequence, their presence may cause property harm and spoil yards. Additionally they carry parasites like fleas and ticks, which will be transmitted to people.

6. Woodchuck (Marmota monax)

What do woodchucks eat
Woodchucks are small rodents that weigh as much as 4 kilos and might develop as much as 2 toes lengthy.


Woodchucks, additionally generally often called groundhogs, are small, burrowing pests that may trigger varied issues for Missouri residents. These rodents will be discovered throughout the USA in each city and suburban areas.

Woodchucks are small rodents that weigh as much as 4 kilos and might develop as much as 2 toes lengthy. They typically have brown or black fur coats however may also be white. Woodchucks eat primarily nuts, seeds, and bugs.

Woodchucks are lively primarily at night time, they usually reside in burrows underground. These burrows will be intensive, with a number of entrances and tunnels that may span as much as 30 toes lengthy! These rodents are additionally identified to hibernate within the winter months inside their underground burrows to save lots of power till the climate warms up once more.


Woodchucks may cause harm to property by digging deep holes close to buildings and foundations, which might weaken the structural integrity of a constructing. These rodents additionally habitually enter houses by small openings, making them a nuisance for owners. 

Woodchucks may unfold illness by their droppings and trigger a multitude with their foraging habits. These rodents may carry parasites like fleas and ticks, which might transmit illnesses to people. Moreover, their burrows can appeal to different animals, resembling snakes and skunks, threatening people and their pets.

7. Nutria (Myocastor coypus)

capybara vs nutria
Nutria are identified for his or her orange-stained entrance tooth.

©Sonja Guijarro/Shutterstock.com

These large rodents are native to South America however have turn into a significant concern for Missouri residents. They seem like giant rats, measuring as much as 24 inches lengthy and weighing as much as 20 kilos!

These semi-aquatic rodents have thick fur that may vary in colour from brown to gray. Their entrance toes are webbed, and their giant hind toes are used for swimming, whereas the sharp claws on their entrance toes are used for digging. Nutria even have a protracted, slim muzzle with lengthy whiskers and small ears.

Nutria are herbivores, which means they feed primarily on crops and vegetation. They wish to eat grass, reeds, water crops, grains, and roots.

Nutria will be lively at any time of the day and night time, however they like to feed in the course of the twilight hours. They’re sometimes discovered close to rivers, streams, canals, marshes, and different moist areas.

These rodents are identified to breed rapidly, which has triggered points in areas they’ve invaded. A feminine nutria can produce as much as 3 litters yearly, and every litter can include between 1 to 13 younger, with a mean of 4 or 5. This may in a short time result in overpopulation.


The nutria inhabitants in Missouri has grown considerably in recent times, and this has triggered many issues for residents. These rodents carry illnesses that may be transmitted to people and their livestock, together with tuberculosis and leptospirosis.

They’re additionally identified to trigger important harm to property. Their burrowing habits causes erosion and structural harm to levees, dams, embankments, irrigation techniques, and different infrastructure.

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