
Long-tailed Weasel
A fast, flexible hunter able to follow rodents into spaces far smaller than its apparent body length.
Browse the published Explore collection for New Brunswick, Canada. Open a discovery for its field guide, practical details, and background.

A fast, flexible hunter able to follow rodents into spaces far smaller than its apparent body length.

A sky-blue thrush that hunts from fence posts and readily adopts nest boxes across Missouri’s open countryside.

A small-headed dove writes its identity in motion: pointed tail, white tail corners, black wing spots, explosive takeoff, and a high mechanical whistle quite separate from its mournful voice.

Missouri’s restored woodland giant scratches for mast by day, flies to a high tree roost at dusk, and turns spring clearings into a careful performance of gobble, strut, fan, and low drumming.

A zebra-backed woodpecker named for a faint belly wash, not the far more obvious red on its head.

A nocturnal generalist with a pouch, fifty teeth, a grasping tail, and a famous involuntary shutdown response.

Missouri’s largest squirrel lives mostly underground, marking a field edge with fresh soil, feeding paths, a whistle, and brief upright surveys before winter removes it from view.

Missouri’s statewide wild cat often appears first as a nearly straight track line through mud, then as long hind legs, cheek ruffs, and a short tail slipping between brush and clearing.

Missouri’s open-country Peromyscus is a large-eyed seed cacher whose crisp brown-over-white coat is recognizable, but whose indoor traces demand sanitation rather than close inspection.

Missouri’s largest frog broadcasts a deep jug-o-rum from permanent water, where one missing pair of back folds separates it from the smaller Green Frog.

At a Kansas field edge, the obvious copper male and the nearly erased brown female are two versions of the same introduced bird—both betrayed by an extraordinarily long pointed tail.

A small, long-legged owl stands in daylight beside a prairie-dog mound, using another mammal’s excavation as nest, refuge, and lookout.

A broad back, rough head callosities, and V-shaped blow identify one of Earth’s rarest whales when it gathers seasonally off Massachusetts.

A chin barbel, pale lateral line, and three dorsal fins identify the cold-water fish that shaped Massachusetts food, trade, and politics.

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

Atlantic puffins returned to historic Maine nesting islands through decades of seabird restoration, social attraction, and careful colony protection.

Rediscovered after decades of presumed extinction, this rare wildflower lives only on naturally eroding banks of the upper Saint John River.

Minnesota’s state bird is a superb underwater hunter whose haunting calls carry across northern lakes—but whose nest can fail after one careless wake.

Black wings checked with cream and orange identify a wet-meadow butterfly whose official status contrasts with its rarity in Maryland.

Maryland’s orange-and-black state bird whistles from leafy edges and suspends a woven pouch nest near a branch tip.

Paddle-shaped rear legs, blue claws, and a life tied to brackish Chesapeake water distinguish Maryland’s state crustacean.

Seven or eight continuous dark stripes mark a silvery predator that uses tidal rivers as nurseries and the coast as a highway.

Rough-haired stems and golden rays around a raised brown center make Maryland’s state flower a familiar open-ground wildflower.

Follow this jewel-colored char from shaded headwaters to Adirondack ponds, where water quality shapes its future.

A rugged freshwater turtle is easiest to notice when it leaves the water to nest, not while it lies hidden below.

New York's state insect once seemed ordinary; finding its precise pattern now demands care and a little luck.

Recognize New York's state tree by more than its color: bark, paired buds, and leaf shape tell the whole story.