Are There Muskrats in Minnesota?
Muskrats are common throughout Minnesota's extensive water systems and wetlands. These skilled swimmers thrive in the Mississippi River, Minnesota River, northern lakes, and countless marshes. From the Superior shoreline to southern river valleys, muskrats are abundant year-round. Minnesota's vast water resources and productive wetlands make the state an excellent muskrat habitat.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
- 1,982
- GBIF records
Yes, muskrats are in Minnesota. Next you'll want:
Muskrats are common throughout Minnesota's extensive water systems and wetlands. These skilled swimmers thrive in the Mississippi River, Minnesota River, northern lakes, and countless marshes. From the Superior shoreline to southern river valleys, muskrats are abundant year-round. Minnesota's vast water resources and productive wetlands make the state an excellent muskrat habitat.
Where in Minnesota Muskrats Are Found
Muskrats inhabit wetlands throughout Minnesota. The Mississippi River, particularly in its northern stretches and throughout the state, hosts significant populations. The Minnesota River valley from the southwest to the Twin Cities supports muskrats. The St. Croix River and associated wetlands harbor healthy populations. Lake Superior's shoreline and tributaries, particularly around Duluth and northeastern Minnesota, provide coastal wetland habitat. The state's numerous inland lakes, especially in the north-central regions, host abundant muskrats. The Red River of the North along the western border supports populations. The Rainy River and adjacent wetlands in northern Minnesota have high abundance. Central Minnesota's lakes and marshes, including the Leech Lake region and Mille Lacs areas, concentrate muskrats. The Boundary Waters Canoe Area has populations in its wetland systems. Southern Minnesota's prairie wetlands support populations. Learn more aboutMinnesota's diverse habitats.
Season and Timing in Minnesota
Muskrats are active year-round in Minnesota, though seasonal patterns shape their visibility. Spring, from April through June, brings intense breeding and territory-establishment activity. Young are born from May through August, with peak births occurring in late spring and early summer. Summer brings the highest visible populations as young gain independence. Fall, from September through November, intensifies as muskrats gather vegetation for winter survival. Winter cold in Minnesota doesn't stop muskrats. They remain active under ice, maintaining breathing holes and accessing food stores. Northern Minnesota's harsh winters don't eliminate populations. Muskrats adapt well to Minnesota's climate extremes. Spring and early summer offer the best opportunities for observation in the state's waterways. Late summer into fall shows heightened activity as preparation intensifies. Winter activity continues, visible in spring thaw periods when ice begins breaking.
How to Identify a Muskrat
Muskrats are strong rodents weighing two to four pounds and measuring about 16 to 25 inches long, including their distinctive tail. Their most recognizable feature is their vertically flattened tail, dark brown or black, which clearly distinguishes them from other aquatic animals. Muskrats have dense, waterproof fur that's dark brown on the back, fading to lighter gray on the belly. Their small ears are largely hidden by fur. Their hind feet are partially webbed for efficient swimming. Males and females look similar, though males may be slightly larger. Young muskrats resemble small adults. When swimming, only their head and tail tip are typically visible. Their distinctive flattened tail is the primary identification feature. Muskrats make soft chattering sounds when communicating or alarmed. The combination of moderate size and unique tail shape allows straightforward identification for most observers in Minnesota's waters.
Where Sightings Concentrate in Minnesota
Muskrats concentrate heavily in Minnesota's productive wetland systems. The Mississippi River's floodplain wetlands throughout the state host consistent populations. The Minnesota River valley's marshes support stable populations. The St. Croix River's lower reaches and associated wetlands are productive. Superior's coastal wetlands near Duluth and along the northeastern shore concentrate populations. The Rainy River's extensive wetlands in the northwest host high abundance. Leech Lake's associated marshes and wetland areas support populations. The Boundary Waters region contains numerous productive wetland systems. Central Minnesota's glacial lakes, particularly Mille Lacs and surrounding marshes, concentrate muskrats. The Red River valley marshes support populations. Rice Lake and similar northern wetlands host populations. Big Stone Lake area marshes are productive. Time visits for dawn and dusk when muskrats are most active. ExploreMinnesota's wildlife hubfor additional habitat information and observation tips.
Typical Behavior of Muskrats
Muskrats are primarily herbivorous, feeding on cattails, arrowhead, water lilies, pondweeds, and native aquatic plants. They also consume freshwater mussels, snails, crayfish, and aquatic insects when vegetation becomes scarce. Muskrats are most active at dawn and dusk, spending daylight hours in their lodges or bank burrows. They're excellent swimmers, using their flattened tail as a rudder and webbed hind feet for propulsion. Muskrats often live in family groups, sharing territories without excessive conflict. They're not aggressive toward humans but will defend nesting sites from other muskrats. Females typically produce two litters annually, with four to eight young per litter. Muskrats build distinctive cone-shaped lodges from cattails, mud, and vegetation, often 3 to 4 feet tall. They also burrow into banks extensively. Muskrats don't hibernate but remain active throughout Minnesota's long, cold winters. Population levels fluctuate based on water conditions and wetland productivity across the state.
Coexistence and Safety Notes
Muskrats and humans coexist peacefully throughout Minnesota. They're not aggressive and actively avoid contact. Muskrats can occasionally impact drainage systems or agricultural water resources if populations spike significantly, though this is rare. It's illegal to harm muskrats outside of Minnesota's regulated trapping season. The state manages populations through controlled trapping from November through March, supporting traditional trappers and maintaining sustainable numbers. Landowners with concerns about muskrat activity should contact the Minnesota Department of Natural Resources for guidance. Muskrats are not typical rabies vectors, though any wildlife bite requires medical attention. When observing muskrats, maintain distance to avoid disturbing the animals. Muskrats are essential to Minnesota's wetland ecosystems, helping maintain marsh structure and function. Their presence indicates healthy, productive wetland systems. VisitMinnesota's wildlife hubfor more information about coexisting with native species.
Common Species People Confuse with Muskrats
Several animals in Minnesota's waters are mistaken for muskrats. Beavers are the most common confusion because both are large, aquatic rodents. Beavers are significantly larger, weighing 30 to 60 pounds versus 2 to 4 pounds, and have massive, flat tails. Nutrias, invasive rodents occasionally sighted in Minnesota, are larger at 15 to 20 pounds and have round tails. Muskrats' vertically flattened tail is the primary distinguishing feature. Rats are much smaller and lack webbed feet. Voles and shrews inhabit wetland edges but are tiny by comparison. Young beavers might superficially resemble large muskrats, but size and tail structure clearly differentiate them. Otters sometimes confuse observers, but otters are longer-bodied, sleeker animals with different behaviors. Properly identifying muskrats relies on recognizing their unique tail and moderate body size. Learning these distinctions prevents misidentification in Minnesota's diverse wetland systems.
Frequently Asked Questions
Do muskrats bite? Muskrats avoid humans and rarely bite unless provoked or cornered. Wild muskrats prefer escape to confrontation. Can muskrats build dams and cause flooding? Muskrats don't construct dams like beavers. Their burrowing may occasionally impact banks, but they don't create impoundments. When do young muskrats appear in Minnesota? Female muskrats produce young from May through August, with most births in late spring. Young become independent by eight to ten weeks of age. Females may raise two litters annually. Are muskrats legal to trap in Minnesota? Yes, Minnesota allows licensed trapping during November through March. Trapping supports traditional livelihoods and helps manage populations sustainably. CheckMinnesota's wildlife hubfor current season dates, licensing details, and regulations. Learn aboutMinnesota wildlifeand their conservation.
Plan your muskrat sighting in Minnesota
1,982 verified muskrat records have been logged in Minnesota, most recently in 2026. See the GBIF records.
Where to look in Minnesota
- Grand Portage National Monument · Wildlife Watching, Birdwatching · Find hotels
- Mississippi National River & Recreation Area · Wildlife Watching, Birdwatching · Find hotels
- North Country National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Pipestone National Monument · Wildlife Watching, Birdwatching · Find hotels
- Saint Croix National Scenic Riverway · Wildlife Watching, Birdwatching · Find hotels
- Voyageurs National Park · Wildlife Watching, Birdwatching · Find hotels
More places to see muskrat
More wildlife in Minnesota