
American Mink
Dark, low-slung mustelid moving quickly along water edges while hunting on land and underwater
Browse the published Explore collection for Wisconsin, United States. Open a discovery for its field guide, practical details, and background.

Dark, low-slung mustelid moving quickly along water edges while hunting on land and underwater

Slender ground squirrel striped with alternating pale lines and spots, often upright beside prairie burrows

Small blunt-faced vole hidden within woven runways beneath dense grass, seldom crossing open ground

Large blotched snake that hisses loudly, imitates a rattlesnake convincingly, but remains nonvenomous

Striped garter snake with a bold orange-yellow back stripe, especially at home near prairie wetlands

A Regal Fritillary turns a Kansas prairie remnant into a complete life-cycle map: orange forewings above, black spotted hindwings behind, nectar flowers for adults, and violets waiting below for spring larvae.

A compass plant can spend decades building a taproot before raising its rough flower stalk above nearly every neighboring prairie plant.

Thick bark and an enormous root system let bur oak stand where prairie fire, drought, and winter test less durable trees.

A familiar Kansas creek-and-street tree becomes unmistakable at arm’s length: corky bark ridges, sandpapery three-veined leaves with crooked bases, and dark winter fruit crowded with birds.

Silky prairie clover softens the Sandhills at ankle height, pairing pale hairs with pink flower spikes and roots built for shifting soil.

Nebraska’s floral emblem is a late-summer colony, not one giant flower: arching branches carry hundreds of tiny golden heads above a smooth bluish stem alive with visiting insects.

Paper birch survives in cool Niobrara canyons as a remnant of a colder climate, far south of its familiar northern forests.

Eastern redcedar can be both winter shelter and ecological warning: a useful native tree that transforms grassland when fire disappears.

Missouri’s prairie giant builds a warm-season canopy above the flowers and a far larger architecture belowground, where dense roots helped create and still stabilize tallgrass soil.

New Hampshire’s state bird is a stout forest finch whose males look washed in raspberry and whose movements follow shifting seed crops.

America’s most widespread bear is often easier to recognize by tracks, clawed logs, and overturned stones than by a direct sighting.

Long legs, a broad muzzle, and purposeful travel distinguish a wolf whose family life shapes northern forests and human debate.

Long legs, a heavy overhanging muzzle, and an appetite for twigs and aquatic plants make the moose unmistakably built for northern country.

Black cap, white cheeks, small bib, and a curious approach make this year-round northern songbird a foundational backyard identification.

Heavy bill, shaggy throat, and wedge-shaped tail separate the raven from crows as it works cliffs, tundra, forests, and towns.

Mottled bark-colored plumage, a dark tail band, and the male’s accelerating wing-drumming suit dense young forest better than open lawn.

Spotted breast, plain face, and a reddish tail contrasting with a browner back identify the thrush behind one of Vermont’s clearest woodland songs.

Dark eye stripe, kinked long wings, and reversible outer toes identify the fish specialist nesting beside Oregon waters.

A jaw extending behind the eye, deep body, and dark side stripe separate largemouth bass from their smaller-mouthed relatives.

A deep compressed body, dark ear flap, and blue-green cheek identify a widespread sunfish that rewards close looking.

Duckbill snout, rear-set fins, and pale bean-shaped spots identify the pike waiting almost motionless beside cover.

Orange wings with heavy black veins identify a migrant whose caterpillars can eat only milkweeds and whose journey outlasts any one summer adult.

Large size, bright green thorax, and a dark bull’s-eye on the forehead help identify a darner capable of continental movement.

Paired rows of yellow spots and an orange-centered hindwing eye distinguish a butterfly whose striped caterpillar feeds on carrots’ wild relatives.

A dark firefly with pale margins and an angular shield pattern, Say’s firefly turns summer dusk into species-specific communication.

Three broad leaves, three white petals, and a flower held above a single whorl mark Ohio’s woodland wildflower.

Opposite broad leaves, milky sap, round pink flower clusters, and warty pods identify a plant central to monarch development.

Bristle-tipped leaf lobes, shallow-striped bark, and broad acorns distinguish New Jersey’s state tree from rounded-lobed white oaks.

Four-lobed leaves with a notched flat tip and green-orange tulip-like flowers identify one of eastern North America’s tallest hardwoods.

Flat short needles with pale undersides, tiny hanging cones, and drooping twig tips identify Pennsylvania’s state tree.

Red buds, flowers, leaf stalks, and paired winged seeds recur across the year on Rhode Island’s adaptable state tree.

Long flexible needles grouped in fives, slender cones, and layered horizontal branches identify the eastern white pine.

One of North America’s rarest butterflies can disappear inside a few inches of prairie despite the enormous conservation attention around it.

Despite its name, the Iowa skipper is a prairie-range insect rather than an Iowa-only species, and intact grassland determines where it persists.

Tall violet spikes begin blooming at the top, turning a prairie’s normal bottom-up expectations literally upside down.

Pale globes and swordlike leaves make this carrot-family plant look as if it belongs to a completely different botanical neighborhood.

Long bark strips lift away from an old trunk, creating both the tree’s name and summer roost crevices for bats.

Wind flips each leaf from deep green to silvery white, making this flood-tolerant oak shimmer above Midwestern bottomlands.

A bubbling metallic song tumbles over spring grass from a bird that will later migrate all the way to southern South America.

Ohio’s namesake tree is a small-to-medium woodland understory species recognized by five leaflets, upright yellow-green flower clusters, and mahogany seeds marked with a pale eye.

A once-endangered warbler depends on large, carefully managed young jack-pine landscapes where males sing low among dense living branches.

A palm-sized shorebird nests almost invisibly on Great Lakes beaches, where one footprint, loose dog, or sudden water rise can matter.

Michigan’s state wildflower forms low colonies on cool limestone-influenced shores, where a blue bloom can sit only inches above the ground.