Wisconsin is a state with many different habitats, including over 15,000 lakes. The varied habitats allow many mammals to live in the state. I wanted to look at which mammals live in Wisconsin in this article.
There are over 70 species of mammals living in Wisconsin. The geography of Wisconsin allows animals such as the snowshoe hare and arctic shrew protection while also being home to many species of cat, moles, voles, deer, canines, badger, and others. The state mammal is the badger.
If you would like to know which mammals live in Wisconsin, please read on.
The American badger is one of many carnivorous North American mammals. Its color is dark gray with a white stripe on its back, white patches on its eyes, and a white underbody.
The American badger measures from 60 to 75 cm and weighs 6.3 to 8.6 kg. This carnivore eats mice, squirrels, groundhogs, moles, and prairie dogs.
They live in grasslands, prairies, marshes, and farms. Their lifespan is four to fourteen years in the wild and twenty-six in captivity.
The North American beaver can reach up to 32 kg, with 20 kilograms being the average weight. They can measure 74-90cm, excluding the tail, which adds 25-30 cm.
The beaver is the largest rodent in North America and is semi-aquatic. They have a transparent third eyelid allowing them to see underwater.
Beavers play an essential role in the environment and are a keystone species. They are well known for building dams, canals, and lodges. They construct dams to flood areas to obtain access to food and protection.
They live in colonies and have orange teeth due to the amount of iron they contain. This makes their teeth stronger than regular teeth.
The beaver is a herbivore and eats bark, cambium, roots, buds, and water plants. The North American beaver lives in forests (near water bodies) in the northern parts of North America, with a lifespan between 10 to 15 years.
The American bison is a large species of mammal from North America. They are also commonly called the American buffalo, although this is not entirely correct.
Their color is dark brown and gets darker in summer and lighter in winter. They measure from 2 to 2.8 m and weigh 318 to 1,000 kg.
The bison is a herbivore and eats grasses and sedges. They live in river valleys, grasslands, semi-arid lands, prairies, and plains.
Their lifespan is 15 years in the wild and 25 years in captivity. They are no longer classed as an endangered species.
American Black Bear
The American black bear is a midsize mammal from North America. Their color is not always black but can be brown, tan, or even blonde.
They measure from 130 to 190 cm and weigh 200 to 300 kg. The black bear is an omnivore and has a varied diet. This consists mainly of fish, mammals, insects, grasses, roots, and berries.
This black bear is broadly distributed in forest habitats, with an average lifespan of twenty years.
The American marten is a small, solitary, and nocturnal member of the Mustelidae family. Their color ranges from yellowish-brown to black. They measure 32 to 54 cm and weigh from 0.5 to 1.3 kg.
The American Marten eats smaller animals such as squirrels, birds, and mice but will also eat fruits and nuts. They are widely scattered in northern, mature conifer forests throughout the continent. They can be found both on the ground and living in trees, with an estimated lifespan of fewer than fifteen years.
The American mink can be found in the northern regions of North America. The color varies from brown to black, and they have a white patch on the throat.
They measure from 31 to 45 cm and weigh from 400 to 1580 g. Their lifespan is three to four years in the wild and ten years in captivity.
American mink are carnivores eating muskrats, snakes, mice, fish, rabbits, chipmunks, birds, and frogs. They live in wet areas like swamps and marshlands or near water bodies.
American Pygmy Shrew
The American pygmy shrew is a small mammal from the continent’s north. Their color ranges from reddish-brown to grayish brown, and the pygmy shrew has a light color on its underbody.
This species of shrew measures up to 5 cm and weighs from just 2 to 4.5 g.
The American pygmy shrew is an insectivore and will eat insects and larvae. They live in coniferous and deciduous forests, with a lifespan of about 16 to 17 months.
American Red Squirrel
The red squirrel is a small, solitary, and diurnal animal. Its color is gray, red, or dark brown, with white on its underbody, and sometimes has black stripes on its sides.
They measure from 28 to 35 cm (including the tail) and weigh 200 to 282 g.
The red squirrel eats sunflower seeds and all types of nuts. They are arboreal, living in coniferous, deciduous, and mixed forests, with a lifespan of 5 to 10 years.
American Water Shrew
The American water shrew is a solitary and semiaquatic species of shrew. Their color changes throughout the year, from light brown in the summer to black in the winter.
The water shrew measures from 13 to 17 cm and weighs 8 to 18 g. They live in streams and ponds, with a lifespan of about 18 months.
This species of water shrew is an omnivore eating aquatic insects, small fish, plants, and snails.
The Arctic shrew is a midsize, solitary mammal from the northern regions of North America.
Their colors are dark brown on the back, lighter brown on the sides, and grayish-brown on the underbody. They measure from 7.5 to 12 cm and weigh 5 to 13 g.
This insectivore eats insects and small invertebrates. They live in open areas near wetlands, clearings in snow forests, and conifer swamps. Their lifespan is just 18 months.
Big Brown Bat
The big brown bat is an insectivore that primarily eats beetles and consumes other flying insects like moths, flies, and wasps.
They live in all types of habitats, with a lifespan ranging from 18 to 20 years. This animal carries a lot of diseases, including rabies and parasites such as tapeworms and fleas.
The big brown bat is a small, nocturnal flying mammal. They live in colonies and use echolocation to locate objects while flying at night. The color varies from brown to black.
They measure from 11 to 13 cm, with a wingspan from 32 to 40 cm, and it weighs from 15 to 26 g.
This species of bat live in North America and the Caribbean.
The black rat is a nocturnal rodent that lives on every continent except for Antarctica.
Their color ranges from black to light brown, with a lighter color on the underbody. They measure from 12.75 to 18.25 cm and weigh 75 to 230g.
Black rats are omnivores and eat seeds, stems, fruit, leaves, and fungi. They live in cliffs, rocks, ground, trees, and urban areas.
Their lifespan is 12 months, and they are considered pests by farmers.
The bobcat is a nocturnal, elusive, midsize wildcat related to the lynx. Their appearance is like a big domestic cat with a bobbed tail.
Their color can range from grayish brown to red, with a white underbody. They measure from 47 to 125 cm and weigh 8 to 9 kg.
The bobcat is a carnivore and eats raccoons, squirrels, rodents, rabbits, birds, reptiles, skunks, and sometimes even deer.
They have extraordinary night vision and can live in all types of habitats across the central section of North America. Their lifespan ranges from 10 to 12 years.
The Norway rat is also known as the brown rat. They are a rodent that lives all over the world. Their color is brown with a lighter color on the underbody.
The brown rat measures from 15 to 28 cm and weighs 140 to 500 g.
The brown rat is an omnivore, eating seeds, nuts, grains, fruits, eggs, birds, mice, small rabbits, fish, and insects.
They live in forests and urban and suburban areas and have a lifespan of two years.
The Canada lynx is a diurnal and solitary wildcat. Their paws have thicker so that they can travel through snow.
Their color ranges from grayish-yellow to reddish-brown, and they have black marks on the tip of their ears and tail.
They measure from 76 to 110 cm and weigh 8 to 18 kg. They usually live in cold, dense forests with a lifespan of 15 years.
This carnivore eats mostly snowshoe hares and feeds on birds, fish, rats, and sometimes deer.
The boreal woodland caribou is a type of reindeer that lives in the northern regions of North America.
Their color changes throughout the year from dark brown in summer to grayish-brown in winter.
They measure from 1 to 1.2 m at the shoulder and weigh 110 to 210 kg.
Caribou are herbivores. They eat sedges, leaves, grasses, and mosses. They find these in the boreal forests which they call home.
Their lifespan is 10 to 15 years, and they are classed as an endangered species.
The coyote is a midsize canine with the look of a domestic dog and is thinner and smaller than the gray wolf. Their color is grayish-brown with a white underbody.
Coyotes measure about 1.5 m (including the tail) and weigh 6.8 to 21 kg. Their lifespan ranges from ten to fourteen years in the wild and up to twenty-one years in captivity.
Coyotes are adaptable and have an extremely varied omnivorous diet. Their diet includes cactus fruits, flowers, insects, rodents, rabbits, birds, and reptiles.
The deer mouse is a small and reclusive rodent. Their color, which resembles a deer, varies from gray to brown, with a white underbody.
They measure from 8 to 10 cm (without the tail) and weigh about 20g.
The deer mouse is an omnivore feeding on various foods, such as seeds, nuts, fruits, and insects.
They live in many different habitats, including forests, mountains, deserts, grasslands, and tropical regions.
Their lifespan is eight years in captivity and less than a year in the wild. They can carry viruses and bacteria that cause diseases in humans, such as Hantavirus Pulmonary Syndrome (HPS).
The Eastern chipmunk is a solitary animal. Their color is reddish-brown with two white stripes surrounded by black stripes on the side of its back and head, with a fifth black stripe running across the center of its back. The chipmunk’s underbody has a lighter brown color.
They measure about 30 cm (including the tail) and weigh from 66 to 150 g.
The Eastern chipmunk is an omnivore that eats acorns, insects, eggs, mushrooms, snails, nuts, fruits, seeds, berries, and corn.
They like to live in rocky areas, logs, and bushes in deciduous forests and urban parks. They live in the eastern United States and Southeast Canada, with a lifespan of three years.
The Eastern cottontail is a solitary, primarily nocturnal rabbit that lives in the southeast of the United States and parts of Central and South America.
Their color varies from reddish-brown to grayish brown, with a white underbody. They measure about 37 cm and weigh about 1.2 kg.
The Eastern cottontail is a herbivore that eats various grasses, branches, bark, clover, fruits, and vegetables. Their habitat is mainly grasslands. Their lifespan is three years in the wild and eight years in captivity.
Eastern Gray Squirrel
The Eastern gray squirrel is a diurnal and solitary animal. The color varies from gray to grayish red, and the underbody is white.
The Eastern gray squirrel measures from 23 to 30 cm (including the tail) and weigh 400 to 600 g.
The Eastern gray squirrel is an omnivore and eats nuts, acorns, insects, berries, bird eggs, and seeds.
The Eastern gray squirrel is an adaptable animal that lives in the trees on the Eastern side of North America. They have an expected lifespan of six years.
The Eastern mole is a solitary, midsize mammal from the eastern United States. Their color is dark gray. They measure from 14 to 18 cm and weigh 40 to 50 g.
The Eastern mole is a carnivore and eats worms, insects, larvae, mice, bugs, and small birds.
Eastern moles live in grasslands and thin forests, with an expected lifespan of six years.
The Eastern mole digs tunnels in search of food. Although they control the number of insects in a given location, they can cause damage to gardens and yards.
Eastern Red Bat
The Eastern red bat is found across North America and is a microbat species. They measure 109 mm (4.3 in) with a weight of just 7 to 13.
They have long pointed wings with short ears and a long tail.
Eastern red bats are very maneuverable and can fly quickly with speeds up to 50 km p/h. They do not hibernate, staying in the same regions all year. They enter a state of torpor in hollow trees or leaf litter to shelter.
They are prioritized as least concern by the IUCN. Eastern red bats can be seen in the early evening either around the edges of forests and woods or flying around street lights.
Eastern Spotted Skunk
The Eastern spotted skunks are a small-sized species of skunk that can be found inhabiting the Great Plains and Southeastern Woodlands. They can also be found in Canada and the northeastern regions of Mexico.
The Eastern spotted skunk typically measures between 46 and 68 cm in body length, and their body range spans between 0.2 and 1.8 kilograms. Males are usually bigger than females.
Eastern spotted skunks have four stripes on their back which are broken in a pattern, giving a spotted appearance from which their name comes.
They are more active compared to other species of skunks. Their main predators are mostly big cats, owls, and bobcats.
During wintertime, up to eight skunks can share a burrow underground. Eastern spotted skunks are pretty secretive and rare for humans to spot.
They do not hibernate but tend to reduce their activity during the winter season.
The elk is one of the largest members of the deer family. They live in the United States and southern Canada.
Their color varies from tan to dark brown. They measure from 2.1 to 2.4 m in length and weigh between 220 to 330 kg.
The elk is a herbivore that eats grass, leaves, bark, and brushwood. They live mainly in forests and have an expected lifespan of ten to thirteen years in the wild.
The European hare is one of the largest species of hare, capable of high speed due to the strength in their legs and their nostrils, which have adapted to be large.
They have a wide range and are listed as least concern.
They can be found in large groups, which they use to stand guard while others are feeding.
They can be a dominant species, with the more dominant hares getting more food than others.
The European rabbit is a small rabbit measuring 40 cm in length with a 2.6-4.4 lb weight. Their ears are large, measuring between 6.5-7.5 cm in length.
The European rabbit comes in various colors but is generally grayish-brown with hairs of black, gray, or red on the body.
They are born with a white star shape on their foreheads, but this fades by adulthood. They live in warrens with up to ten other rabbits.
The evening bat is a species of vesper bat native to North America. They typically inhabit much of the midwestern and eastern regions of the United States.
They are small-sized bats, weighing approximately 7-15 grams, with forearms spanning from 34 to 38 mm in length.
The tip of their dorsal hair is light gray, with a brown pelage. The evening bat has robust jaws compared to other insectivorous bats.
The average lifespan is less than four years, which may explain the higher reproductive output compared to other bats that live longer.
Fallow deer grow to a height of 85-95 cm (33-37 in) at the shoulder and a length of 140-160 cm (55-63 in). Their weight is generally between 60-100 kg, although females are smaller and lighter.
They have a lifespan of 12-16 years in the wild. They are preyed upon by wolves, bears, and cougars.
Males grow antlers to compete for females in the rutting season.
The fisher is a small, solitary, mainly nocturnal, aggressive, and elusive weasel. They are related to the American marten.
Their color varies from dark brown to black, with a lifespan of seven years in the wild and, in rare cases, up to 14 years in captivity. They measure from 75 to 120 cm and weigh 2 to 6 kg.
The fisher is a carnivore that eats mice, snowshoe hares, birds, cats, poultry, shrews, porcupines, and squirrels.
Even though they move on the ground most of the time, they are also an excellent climber.
They live in forests in the southern part of Canada and the northern and western parts of the United States.
The Eastern fox squirrel is also known as Bryant’s fox squirrel. The Eastern fox squirrel is the largest species of tree squirrel in North America.
Their total body length ranges from 45 to 70 cm, with a weight ranging between 500 to 1000 grams.
They coexist in certain areas with the Eastern gray squirrel but have more brownish-colored fur with darker underparts that make it recognizable.
The fox squirrel has sharp claws, and they have developed strong abdominal muscles to help them climb.
Fox squirrels have excellent vision and a great sense of smell.
Franklin’s Ground Squirrel
Franklin’s ground squirrel is a squirrel species native to North America and the only member of its genus. The common name of these squirrels comes from the British Arctic Explorer, after which they were named.
The destruction of the prairie had resulted in heavy losses in population numbers for this species, but they are now prolific and abundant.
They are medium-sized squirrels with a total body length of 36 to 41 cm and a body mass of approximately 950 grams, with females being significantly lighter than males.
Their fur is brownish gray with light and dark speckles, which fade to yellowish on the underparts. The tail is darker in color and is almost black.
These squirrels have several scent glands at the corner of the mouth and from the shoulders to the pelvis, which they use to mark their territories.
They can be found in central Alberta and Manitoba in Canada and from North Dakota to Kansas in the United States. These squirrels hibernate from August to April.
They are diurnal animals, and their burrows usually host only one or two squirrels, as they are not a particularly social species.
The gray fox is a solitary fox that lives in the southern part of the United States and Mexico.
Their back has a scattered combination of light and dark gray with reddish-brown sides and an underbody of white.
They measure from 76 to 112.5 cm and weigh from 3.6 to 7kg. Their lifespan is sixteen years in the wild and twenty years in captivity.
The gray fox is an omnivore and eats mice, birds, voles, rabbits, insects, corn, fruits, nuts, and berries.
They live in dense forests, in areas with rocky terrain or thick vegetation.
The gray wolf is a social canine that lives in the northern regions of North America.
The colors of the gray wolf vary a lot depending on their geographical location. They can be gray, brown, black, tan, or white. However, the predominant color is gray. The underbody is usually lighter and sometimes white.
Gray wolves measure from 1.05 to 1.60 m and weigh 12 to 79.4 kg.
Gray wolves are carnivores eating a wide variety of meat. Gray wolves eat deer, beavers, boar, mountain goats, bison, elk, moose, birds, fish, rodents, and hares.
They live in a great variety of habitats, including mountains, grasslands, forests, tundra, and deserts.
Their lifespan is six to thirteen years in the wild and seventeen years in captivity.
The hoary bat is a nocturnal vesper bat found in parts of North America and Hawaii, where they are native mammals.
They use echolocation for flying at night and for finding food. Their color is dark brown, but the hairs have a white tip.
They measure from 13 to 15 cm, with a wingspan measuring 40 cm and a weight of just 20 to 35 g. The hoary bat is the largest species in Canada.
This species of bat insectivore eats moths and other insects like beetles, crickets, flies, and bugs. Some of the insects it hunts are considered pests.
The hoary bat can usually be seen alone in trees along the borders of forests. You can also see them over lakes and other open areas and coniferous forests. Hoary bats do not like to fly until it is dark.
The house mouse is a secretive and cautious mouse that is sometimes domesticated.
Their color is gray, black, or brown with a lighter underbody. They measure from 7.5 to 10 cm (including the tail) and weigh 40 to 45g.
The house mouse is an omnivore eating meat, fruits, seeds, and grains. They tend to live in places where humans live.
Their lifespan is less than one year in the wild but can be between 2 to 3 years in protected environments.
The smallest chipmunk found in North America, the least chipmunk measures up to 200 mm, including the tail. Their weight is up to 50g.
They have a shorter muzzle than other chipmunks and also be recognized by their longer tail, which can measure up to 90mm.
They can be found in Michigan, Washington, New Mexico, Quebec, and the Yukon.
They have five dorsal stripes, which can be a variety of colors from one least chipmunk to the next—these range from black, reddish, brown, and tan.
Their primary diet is seeds, with conifer seeds being their favorite. The least chipmunk will also eat leaves, flowers, insects, carrion, and bird eggs.
The least weasel is also known as the common weasel or little weasel. They are the smallest member of the genus Mustela.
They are native to North America, but also Eurasia and North Africa. Their bodies are slender and elongated, with relatively short tails and legs.
The average body length is around 130 to 260 mm, and they weigh between 36 to 250 grams, with males being slightly bigger than females.
The pelage color of least weasels varies according to the geographical location, but the underparts are usually white, and the back, limbs, and tail are brown.
Their diet consists mainly of small rodents. Males mark their territory with olfactory signs and are strongly territorial and dominant weasels.
Least weasels may have aggressive encounters with each other. The least weasel occupies a wide range of different habitats.
Little Brown Bat
The little brown bat is a small North American bat. Their colors vary from light tan to dark brown, with a lighter color on their underbody.
The little brown bat measures from 8 to 9.5 cm and weighs 5.5 to 12.5g.
This insectivore eats mosquitoes, moths, and beetles. The little brown bats live in most of North America.
They will find any place to roost during the day, such as trees, caves, and rocks. In winter, this bat hibernates in caves. Their lifespan is from 6 to 7 years.
The long-tailed weasel is a fearless, aggressive hunter. They are also known as the bridled weasel or the big stoat.
Their color is reddish-brown with a light yellow underbody, but in cold northern regions, they are entirely white.
The long-tailed weasel measures from 23 to 35 cm and weighs 85 to 267 g. They are carnivores and can attack animals that are twice their size.
They eat primarily mice, voles, rabbits, chipmunks, birds, eggs, and insects.
They live in grasslands and thin forests in sub-tropical areas with mild temperatures in the southern states of North America. Their lifespan is up to five years.
The masked shrew, known as the cinereus shrew and common shrew, is a small, nocturnal, and solitary animal.
Their color is grayish-brown with a lighter grayish color on the underbody. They measure just 9 cm, with a weight of 5g.
Masked shrews are carnivores eating insect larvae, ants, grasshoppers, crickets, spiders, worms, snails, small rodents, and salamanders.
They live in grasslands, forests, riverbanks, lakeshores, and tundra in the northern part of North America. Their lifespan is 14 months.
Meadow Jumping Mouse
The meadow jumping mouse is a solitary and primarily nocturnal North American rodent. They can jump 8 feet or more when they are disturbed.
Their color is light brown, with a thick dark brown stripe on its back and a white underbody. They are small-sized rodents with very long tails and feet. They measure from 18 to 24 cm (including the tail) and weigh 11.5 to 35 g.
The meadow jumping mouse is an omnivore mainly eating seeds, insects, and fruits.
The meadow jumping mouse lives mostly in grasslands, thin forests, and humid areas in the northern part of North America.
Their lifespan is less than a year in the wild but up to five years in captivity.
The meadow vole is a small, primarily nocturnal rodent. They are also known by other names, such as the field mouse or meadow mouse.
Their colors vary from yellowish or reddish-brown to dark brown, and the underbody is gray. They measure about 12 cm and weigh about 43g.
This herbivore eats grasses, weeds, grains, seeds, bark, roots, and fruits. They live in dense grasslands and thin forests in the northern part of North America (except for the most intense polar regions).
The meadow vole is an excellent swimmer and is also good at digging holes.
Their lifespan ranges from 2 to 16 months. Some people consider them a pest because they cause significant damage to plants and carry similar diseases as other rodents.
The moose is a solitary animal with huge antlers. Moose are the largest members of the deer family.
Their color ranges from light to dark brown. The moose is massive, measuring from 1.4 to 2.1 m in height and 2.4 to 3.2 m in length. They weigh from 200 to 700 kg.
Moose are herbivores and eat bark, leaves, pine cones, young branches, and fruits. Moose live in forests in the northern part of the country, with a lifespan from fifteen to twenty-five years.
The cougar is a solitary, elusive, and primarily nocturnal wildcat. They are also known as the puma, mountain lion, and catamount.
Their color is grayish-brown with white on the underbody. Cougars measure about 2.4 m long (including a long tail) and weigh 53 to 100 kg.
Cougars are carnivores, with their main prey being deer. They will also prey on elk, coyotes, mountain goats, beavers, moose, and wild sheep. Smaller cougars will prey on smaller mammals than larger cougars.
They can live in an enormous range of habitats in North America. They have a lifespan that ranges between 8 to 13 years.
The muskrat is the only species of the genus Ondatra. The muskrat is a midsize, primarily nocturnal, semiaquatic rodent from North America. Their colors vary from brown to black, with a lighter underbody.
Muskrats measure from 40 to 70 cm and weigh 600 grams up to 2 kg. Their lifespan is 3 to 4 years.
The muskrat is an omnivore and eats aquatic vegetation, farm and garden plants, roots, pondweed, fruits, vegetables, snails, salamanders, crustaceans, fish, and birds.
They live in wetlands in the northern part of North America. They are considered pests because of the destruction it causes in the places they live and the diseases they can carry.
The fur of the muskrat is thick and short of a dark-brown color. Their tails are covered with scales that help them swim rapidly and efficiently.
Muskrats spend most of their time in the water and can swim underwater for up to 17 minutes. This species usually lives in a group made up of a male, female, and their offspring.
Muskrats make nests to protect themselves from cold temperatures and predators. The nests are usually burrowed with an underwater entrance.
North American Least Shrew
The least shrew is from the eastern United States and southeastern Mexico.
Their color varies from gray to brown, with a lighter color on the underbody. They measure from 7 to 9 cm and weigh 4 to 7g.
The least shrew eats carcasses, seeds, fruits, and insects and lives in grasslands with forest edges. Their lifespan is one year in the wild and 2.6 years in captivity.
North American Porcupine
The North American porcupine is the second-largest rodent found in North America. Their back is covered with strong quills made of keratin.
They can be easily recognized by solid quills at the tip and base and present around the body, except for the stomach. The quills are used as a defense mechanism.
North American porcupines have a color that is dark brown or black with hairless feet. They measure from 60 to 90 cm without counting the tail, which measures around 14.5 up to 30 cm. They weigh from 4.5 to 18 kg.
They are herbivorous, eating leaves, seeds, grass, nuts, buds, fruits, and green plants. They are often found climbing on trees to eat leaves.
The porcupine lives mostly in forests, deserts, and grasslands in the northern part of North America, with a lifespan of about 30 years.
This species of porcupines are endangered because due to hunting and also because of loss of habitat.
The Northern long-eared myotis is a species of bat. They use echolocation to navigate while flying.
Their color varies from yellowish light brown to black, measuring about 8.6 cm, and weighs from 5 to 8 g.
This insectivore eats mostly moths, beetles, flies, and leafhoppers. They live in boreal forests (taiga) in the eastern, central part of North America. Their lifespan is about 18.5 years.
They are an endangered species due to a sickness that kills the species.
Northern Flying Squirrel
The Northern flying squirrel is one of three flying squirrels in North America.
Their habitat is coniferous and mixed coniferous forests. They live in Canada and the United States from Alaska to Nova Scotia, North Carolina, Utah, and Oregon.
They are clumsy on the ground but efficient climbers and gliders. They have a furry membrane between their front and hind legs, which they use to glide from tree to tree. Flying squirrels are nocturnal with excellent vision.
Their length reaches between 25 to 37 centimeters, and they usually weigh between 110 and 230 grams.
Their color varies from gray to dark brown, with white on their underbody and a flat tail and big eyes. They also have large whiskers, which they use to sense their way around at night.
This omnivore eats nuts, acorns, fruits, buds, fungi, insects, bird eggs, and lichens. The Northern flying squirrel lives in forests in the northern part of the continent with a lifespan of four years.
Northern River Otter
The river otter is an intelligent, semiaquatic mammal found in the northern states.
The river otter has short, very dense fur. Their colors vary from gray to brown, with a lighter underbody.
They measure from 66 to 107 cm and weigh 5 to 14 kg.
River otters are carnivores eating fish, turtles, frogs, crayfish, and insects.
They live in aquatic habitats in the northern part of North America. Their lifespan is eight to nine years in the wild and fifteen to twenty years in captivity.
Northern Short-tailed Shrew
The Northern short-tailed shrew is a mammal found in the northern parts of North America.
Their color is dark gray, with a lighter shade of gray on the underbody. They measure from 11 to 14 cm and weigh 15 to 30 g.
The Northern short-tailed shrew is a carnivore eating insects, salamanders, worms, mice, snails, seeds, voles, and fungi.
They can live in many habitats, including grasslands and deciduous and coniferous forests, with an expected lifespan of 1 to 3 years.
Plains Pocket Gopher
The Plains pocket gopher usually measures around 25-35 centimeters and weighs 128 to 470 grams.
The Plains pocket gophers are found along the Great North American Plains.
Plain’s pocket gophers can run backward at the same speed they can run forward, which is very unusual for any animal.
Their diet is mainly vegetarian, eating roots and grass, and sometimes nuts. Plain’s pocket gophers are becoming rare due to the disappearance of their habitat.
The prairie vole is grayish-black with brownish tips to the fur. Their underbelly is lighter and generally white or cinnamon-colored.
Male and female prairie voles are about the same size, with a weight of up to 48g and a total length of 170mm, including a tail of 40mm.
Prairie voles are one of the species that practice monogamy.
Their diet consists of plant material, including leaves, seeds, and stems, although they will also eat insects.
They live in tunnels underground consisting of many runways. Entrances have a layer of grass to disguise them.
The raccoon is a nocturnal midsize mammal. Their color is gray, brown or black. They have white faces with a black mask around their eyes.
They measure from 40 to 70 cm and weigh 5 to 26 kg.
The raccoon is an opportunistic omnivore eating fruit, plants, oak nuts, insects, worms, rodents, frogs, eggs, and crayfish.
Raccoons live in forests, suburban, and urban areas in the Central and southern states of North America. The average lifespan of a raccoon is two to three years.
The red fox is a midsize fox that lives in the northern region of North America.
The color varies from light yellow to red, with dark legs and a white underbody. They measure from 45 to 90 cm and weigh 2.2 to 14 kg. Their lifespan is between two to five years.
The red fox is omnivore, eating grass, fruits, corn, apples, oak nuts, cherries, berries, mice, birds, rabbits, squirrels, crickets, grasshoppers, beetles, caterpillars, and crayfish.
The red fox lives in forests, grasslands, mountains, deserts, and suburban areas.
The silver-haired bat is a nocturnal, solitary mammal from the central part of North America. They use echolocation when flying to guide them and to find food.
Their color usually is black but can sometimes be dark brown, with gray tips to their fur.
They measure about 10 cm and weigh from 8 to 12 g. This insectivore eats flies, leafhoppers, moths, mosquitoes, beetles, bugs, and ants, which they find in forest habitats.
Their average lifespan is 12 years, and they migrate to warmer climates in winter.
The snowshoe hare is also called the varying hare or snowshoe rabbit, taking this the name because of the large size of the hind feet.
They are a hare from the northern region of North America.
The snowshoe hare lives in the boreal and montane forests of North America.
They have wide paws for moving in the snow. Their feet prevent these rabbits from sinking in the snow when hopping and walking. They are also covered with fur on the soles for protection against freezing temperature.
Their color is brown in summer and white in winter but always has a gray underbody. They can be distinguished by black tufts of hair on the edge of their ears and by the relatively small size of their ears compared with other hares.
Their lifespan is five years. They usually measure about 36 to 52 centimeters and weigh 1.3 to 1.7 kilograms as adults.
The snowshoe hare is an herbivore that eats grass, leaves, ferns, buds, twigs, evergreen needles, small stems, and bark. They adapt their diet according to the season. They usually feed on grass, fens, and leaves during the summer and turn to twigs and bark in the wintertime.
Southern Bog Lemming
The Southern bog lemming is a small mammal from the eastern regions of North America.
Their color varies from red to dark brown and light gray on the underbody.
They measure about 13 cm long and weigh about 35 g.
The Southern bog lemming eats plants, seeds, stems, and leaves. They live in moist areas, deciduous and coniferous forests, wetlands, and marshes. Their lifespan is 29 months.
Southern Flying Squirrel
The Southern flying squirrel is a nocturnal mammal that glides from one tree to the next with the aid of membranes between its front and hind legs.
They live in the western regions of North America. Their color is grayish brown, with a white underbody.
They measure from 21 to 26cm (including the tail) and weigh 45 to 82g.
The Southern flying squirrel is an omnivore and eats nuts, seeds, spiders, acorns, fungi, eggs, insects, shrubs, buds, mushrooms, flowers, and fruits.
These squirrels have gray fur and whitish color in their bellies. They use a furry membrane called a patagium that extends between the front and rear legs to glide through the air.
This species of flying squirrel is found in deciduous and mixed woods in the eastern regions of North America, from southeastern Canada to Florida.
They have a lifespan of five to six years in the wild and ten years in captivity.
Southern Red-backed Vole
The southern red-backed vole is a primarily nocturnal, small mammal from the central region of North America.
Their primary color is gray, and they have a red stripe on their back, with an underbody of gray or white.
They measure from 7 to 11.2 cm and weigh 6 to 42g.
The Southern red-backed vole is an omnivore eating insects, grains, fruits, nuts, seeds, berries, leaves, roots, bark, fungi, and lichens.
They live in coniferous, deciduous, and mixed forests near water bodies in southern Canada and the northern United States, with a short lifespan of just 10 to 20 months.
The star-nosed mole is a solitary mammal from the eastern regions of North America.
Their color ranges from dark brown to black. They measure from 15 to 20 cm and weigh 37 to 76 g.
The star-nosed mole is a carnivore and eats worms, amphibians, aquatic insects, mollusks, and small fish.
They live in wet lowland areas, forests, and marshes. Their lifespan is 2.5 years in captivity. By using their star-nose, they are able to gather a clear image of their surroundings.
The stoat is also known as the ermine. They are a solitary weasel that lives in the northern part of the continent.
Their color is dark brown on the back and white on the underbody during the summer. In winter, their color changes to almost pure white.
The ermine measures from 17 to 32 cm and weigh about 260 g. The ermine is a carnivore that eats mainly rodents but will also eat birds, fish, amphibians, small reptiles, and insects.
They live in taigas and tundras, with a lifespan of four to six years in the wild.
The striped skunk is a primarily nocturnal species of skunk found in the central states of North America.
Their color can be black, gray, or brown, but they always have a white stripe on their back, running from head to tail.
They measure from 52 to 77 cm and weigh between 1.8 to 4.5 kg. Striped skunks are omnivores and eat crickets, grasshoppers, beetles, caterpillars, mice, voles, eggs, and small birds.
The striped skunk lives in open areas such as grasslands or thin forests in southern Canada, the United States, and northern Mexico. Their lifespan is up to seven years.
Thirteen-lined Ground Squirrel
The thirteen-lined ground squirrel, also known as the striped gopher, leopard ground squirrel, or squinny, is a species of rodent that inhabits grasslands and prairies of North America.
The name comes from the thirteen lines (sometimes broken into spots) alternating white and brown on the back and sides of these squirrels.
They usually measure about 170 to 297 mm in body length and weigh approximately 110 to 270 grams. Thirteen lined squirrels are diurnal and are especially active on warm days.
They are solitary and feed on grass, weed, seeds, and insects. These include caterpillars, grasshoppers, and crickets. They will also feed on mice and shrews, although this is rare.
The tri-colored bat is a small, nocturnal species of bat found in eastern North America and Central America. They are one of the native North American mammals.
Their colors range from yellowish-brown to reddish-brown. They measure from 30 to 35 mm and weigh 4 to 10 g.
The tri-colored bat is an insectivore eating moths, midges, flies, beetles, mosquitoes, and ants. They live in semi-open places with large trees in forests, grasslands, and urban and suburban areas.
Their lifespan is 4 to 8 years in the wild. They could become an endangered species in the near future.
The Virginia opossum is the only marsupial found in North America. Their habitats can vary, and they are one of the species to thrive in urban areas. They prefer living close to water sources.
This medium-sized animal measures between 13-37cm in length and can weigh between 0.3-3.7 kg.
They have relatively short legs and typically gray or brownish fur.
This animal is known to act as if they are dead as protection against predators.
The Virginia opossum is an omnivore eating almost anything: carcasses, garbage, plants, animals, and insects.
They live in deciduous forests, farming areas, marshes, swamps, and wooded streams. Their lifespan is four years.
The white-tailed deer is a mammal found in the central part of the American continent. In North America, they live in most of Mexico, the United States, and the southern parts of Canada.
Their color is grayish-brown in the winter and reddish-brown in the summer. They have patches of white on their face, underbody, and tail.
The white-tailed deer measures from 95 to 220 cm and weighs 45 to 68 kg.
White-tailed deer are herbivores eating grass, corn, leaves, nuts, twigs, fruits, and fungi.
They adapt well to different habitats and live in grasslands, forests, farmlands, and deserts. Their lifespan is four to five years.
The white-footed mouse is a timid, nocturnal mammal who lives in North America’s eastern regions.
Their color is reddish-brown, with a dark, broad mark on its back and a white underbody.
The white-footed mouse measures from 9 to 10 cm (without the tail) and weighs 20 to 30g.
They are omnivores eating seeds, nuts, grain, insects, fungi, and fruit. They live in warm, dry forests and semi-desert areas. Their lifespan is one year in the wild.
The white-tailed jackrabbit is also known as the prairie hare or white jack and can be mainly found in the north and western regions of North America.
They are also found in British Columbia, Ontario, and Alberta in Canada.
The dimensions of this species range between 56 to 65 centimeters in length, while their weight can span between 2.5 to 4.3 kilograms.
They are solitary rabbits that live in depressions in the ground hidden by vegetation.
The white-tailed jackrabbit is nocturnal and only emerges from its nests at dusk to feed. In contrast to the black-tailed jackrabbit, the white-tailed jackrabbit prefers lowland habitats.
Also known as the wild hog and the razorback, wild boar is an invasive species bought into the United States in the 1500s.
The size and weight of a wild boar depend on its environment. Some get as large as grizzly bears in Asia, but in North America, they reach sizes up to 6 ft in length and up to 3 ft in height. Larger males have been found measuring over 7 ft in length.
They have a stout, barrel-like body, short legs, and a long head with a short neck.
They range in color, with solid or mixed coloration patterns. The most common include black, white, or reddish-brown.
The wolverine resembles a small bear but is the largest member of the Mustelidae family.
They are ferocious and have a huge strength for their body size. They are the size of a medium dog but can take down prey many times their size, such as elk.
They live in cold climates, with thick, oily fur which is resistant to frost. They are dark in color, with a light mask on their face and a bushy tail.
They have been called the skunk bear due to the scent glands used to mark their territory.
The woodchuck is also known as the groundhog or the red monk. They are typical of the eastern regions of the United States, Canada, and Alaska.
Males are usually bigger than females, but their weight changes considerably across different seasons. Generally, they measure 42 to 68.5 cm, although their weight ranges from 2 to 6.5 kilos during the year.
They are diurnal animals that live for two to three years. They enjoy staying in the open air, and they are very territorial animals that live in colonies.
Woodland Jumping Mouse
The woodland jumping mouse is a small, solitary, and usually nocturnal midsize rodent found in eastern North America.
Their color varies from yellowish-brown on the sides to dark brown on their back. They have a white underbody.
They measure from 20.5 to 25.6 cm and weigh 17 to 26 g.
They can jump as high as 3 meters (or 9.8 feet) by leveraging their strong feet and long tail. They prefer a quadrupedal walk to move around.
They prefer forested habitats. The fur of the woodland jumping mouse has several shades of brown along with white feet.
The woodland jumping mouse is an omnivore and eats grass, fruits, berries, fungi, seeds, and insects. They live in forests in the northeastern United States and southeastern Canada with a four-year lifespan.
The woodland vole is a mammal that lives in the eastern regions of the United States.
Their color is light or dark brown, with a white or gray underbody. They measure from 83 to 121 cm and weigh 14 to 37 g.
The woodland vole is a herbivore and eats roots, nuts, seeds, and leaves. They live in deciduous forests and have a very short lifespan of three months.