297 Species

Wildlife

The approximately 300 species of mammals, birds, fish, reptiles, and plants documented during the Lewis and Clark Expedition, many new to Western science.

Where these species are being seen today

1,850 research-grade iNaturalist observations across 156 of the species the expedition documented — pinned where they were spotted. Sourced via Terrain360’s trail captures and cached locally.

Mammals Birds Fishs Reptiles Plants Insects Others

Mammals (23)

American Badger
American Badger
Taxidea taxus
Great Plains of the... New to Science
American Bison
American Bison
Bison bison
Near present-day Yankton, South... New to Science
American Mink
American Mink
Neogale vison
Fort Clatsop, near present-day... New to Science
Bighorn Sheep
Bighorn Sheep
Ovis canadensis
Missouri River Breaks, near... New to Science
Black-tailed Prairie Dog
Black-tailed Prairie Dog
Cynomys ludovicianus
Boyd County, Nebraska, near... New to Science
Bushy-tailed Woodrat
Bushy-tailed Woodrat
Neotoma cinerea
Fort Clatsop, near present-day... New to Science
Coyote
Coyote
Canis latrans
Near the White River,... New to Science
Elk
Elk
Cervus canadensis nelsoni
Fort Clatsop, near present-day... New to Science
Fox Squirrel
Fox Squirrel
Sciurus niger
Along the Ohio River... New to Science
Gray Wolf
Gray Wolf
Canis lupus
Near present-day Gregory County,... New to Science
Grizzly Bear
Grizzly Bear
Ursus arctos horribilis
Near present-day Culbertson, Roosevelt... New to Science
Long-tailed Weasel
Long-tailed Weasel
Mustela frenata
Lemhi Pass area, present-day... New to Science
Mountain Beaver
Mountain Beaver
Aplodontia rufa
Fort Clatsop, near present-day... New to Science
Mountain Goat
Mountain Goat
Oreamnos americanus
Fort Clatsop, Oregon (described... New to Science
Mountain Lion
Mountain Lion
Puma concolor
Rocky Mountains, present-day Montana/Idaho... New to Science
Mule Deer
Mule Deer
Odocoileus hemionus
Near the mouth of... New to Science
North American Porcupine
North American Porcupine
Erethizon dorsatum
Along the Missouri River... New to Science
Oregon Bobcat
Oregon Bobcat
Lynx rufus fasciatus
Fort Clatsop, near present-day... New to Science
Pronghorn
Pronghorn
Antilocapra americana americana
Below present-day Oacoma, Lyman... New to Science
Raccoon
Raccoon
Procyon lotor
Fort Clatsop, near present-day... New to Science
Sea Otter
Sea Otter
Enhydra lutris
Fort Clatsop, near present-day... New to Science
Swift Fox
Swift Fox
Vulpes velox
Near the Marias River,... New to Science
White-tailed Jackrabbit
White-tailed Jackrabbit
Lepus townsendii
Near the Big Bend... New to Science

Others (221)

American beaver
American beaver
Castor canadensis
American bistort
American bistort
Polygonum bistortoides
American goldfinch
American goldfinch
Spinus tristis
American red squirrel
American red squirrel
Tamiasciurus hudsonicus
Antelope bush, bitterbush
Antelope bush, bitterbush
Purshia tridentata
Aromatic aster
Aromatic aster
Symphyotrichum oblongifolium
Arrowleaf balsamroot
Arrowleaf balsamroot
Balsamorhiza sagittata
Bear grass; western turkey-beard
Bear grass; western turkey-beard
Xerophyllum tenax
Big sagebrush
Big sagebrush
Artemisia gardneri
Bigleaf maple
Acer macrophyllum
Biscuit root; Lewis's lomatium
Biscuit root; Lewis's lomatium
Lomatium triternatum
Bitterroot; rock rose
Bitterroot; rock rose
Lewisia rediviva
Black cottonwood
Black cottonwood
Populus balsamifera ssp trichocarpa
Black hawthorn
Black hawthorn
Crataegus douglasii
Blanketflower; Great-flowered gaillardia
Blanketflower; Great-flowered gaillardia
Gaillardia aristata
Blue bunch wheatgrass
Pseudoregneria spicata
Blue huckleberry
Vaccinium membranaceum
Bonaparte's gull
Bonaparte's gull
Chroicocephalus philadelphia
Brewer's blackbird
Brewer's blackbird
Euphagus cyanocephalus
Brittle opuntia
Brittle opuntia
Opuntia fragilis
Broad-leaved gum-plant
Broad-leaved gum-plant
Grindelia squarrosa
Broad-tailed hummingbird
Broad-tailed hummingbird
Selasphorus platycercus
Broadleaf arrowhead
Broadleaf arrowhead
Sagittaria latifolia
Bullsnake, Say's pine snake
Bullsnake, Say's pine snake
Pituophis catenifer sayi
California false hellebore
California false hellebore
Veratrum californicum
Canada jay (Pacific)
Canada jay (Pacific)
Perisoreus canadensis obscurus
Carolina parakeet
Carolina parakeet
Conuropsis carolinensis
Cascara buckthorn
Cascara buckthorn
Frangula purshiana
Chinook licorice; seashore lupine
Chinook licorice; seashore lupine
Lupinus littoralis
Clustered elkweed
Clustered elkweed
Frasera fastigiata
Columbia river chub; Peamouth
Columbia river chub; Peamouth
Mylocheilus caurinus
Columbian black-tailed deer
Columbian black-tailed deer
Odocoileus hemionus columbianus
Columbian ground squirrel
Columbian ground squirrel
Urocitellus columbianus
Columbian sharp-tailed grouse
Columbian sharp-tailed grouse
Tympanuchus phasianellus columbianus
Columbian toad
Columbian toad
Anaxyrus boreas
Common matchweed; broomweed
Common matchweed; broomweed
Gutierrezia sarothrae
Common nighthawk
Common nighthawk
Chordeiles minor
Cous
Lomatium cous
Cut-leaved daisy
Cut-leaved daisy
Erigeron compositus
Cutthroat trout
Cutthroat trout
Oncorhynchus clarkii
Death camas
Anticlea elegans
Desert cottontail
Desert cottontail
Sylvilagus audubonii
Double-crested cormorant
Double-crested cormorant
Nannopterum auritum
Douglas' rabbitbrush; Sticky-leaf rabbitbrush
Douglas' rabbitbrush; Sticky-leaf rabbitbrush
Chrysothamnus viscidiflorus
Douglas's squirrel
Douglas's squirrel
Tamiasciurus douglasii
Dull Oregon grape
Berberis nervosa
Dusky Grouse
Dusky Grouse
Dendragapus obscurus
Eastern woodrat
Eastern woodrat
Neotoma floridana
Elegant Mariposa lily
Elegant Mariposa lily
Calochortus elegans
Engelmann's spruce
Engelmann's spruce
Picea engelmannii
Ermine
Ermine
Mustela erminea
Eulachon, candle fish
Eulachon, candle fish
Thaleichthys pacificus
Evergreen huckleberry
Evergreen huckleberry
Vaccinium ovatum
Fetid rayless goldenrod; Heavy gray rabbitbrush
Fetid rayless goldenrod; Heavy gray rabbitbrush
Ericameria nauseosa var. graveolens
Few-flowered psoralea; scurfy pea
Few-flowered psoralea; scurfy pea
Psoralea tenuiflora
Forster's tern
Forster's tern
Sterna forsteri
Fourwing saltbush
Fourwing saltbush
Atriplex canescens
Franklin's grouse
Franklin's grouse
Canachites canadensis franklinii
Gairdner's yampah; fennel
Gairdner's yampah; fennel
Perideridia gairdneri
Gardner's saltbush
Gardner's saltbush
Atriplex gardneri
Glaucous-winged gull
Glaucous-winged gull
Larus glaucescens
Golden currant
Golden currant
Ribes aureum
Goldeye
Goldeye
Hiodon alosoides
Grand fir
Grand fir
Abies grandis
Greasewood
Greasewood
Sarcobatus vermiculatus
Great horned owl
Bubo virginianus
Greater sage grouse
Greater sage grouse
Centrocercus urophasianus
Greater white-fronted goose
Greater white-fronted goose
Anser albifrons
Hairy woodpecker
Hairy woodpecker
Dryobates villosus
Horned lark
Horned lark
Eremophila alpestris
Hutchins's goose; Cackling Goose
Hutchins's goose; Cackling Goose
Branta hutchinsii
Idaho fescue
Idaho fescue
Festuca idahoensis
Indian tobacco
Indian tobacco
Nicotiana quadrivalvis
Interior least tern
Sternula antillarum athalassos
Lance-leaved psoralea; lemon scurfpea
Lance-leaved psoralea; lemon scurfpea
Psoralidium lanceolatum
Lanceleaf springbeauty
Lanceleaf springbeauty
Claytonia lanceolata
Large monkey flower
Large monkey flower
Mimulus guttatus
Large-flowered clammyweed
Polanisia dodecandra ssp trachysperma
Large-headed clover
Large-headed clover
Trifolium macrocephalum
Lesser Canada goose; Cackling Goose
Lesser Canada goose; Cackling Goose
Branta hutchinsii leucopareia
Lewis's blue flax
Lewis's blue flax
Linum lewisii
Lewis's monkey flower
Lewis's monkey flower
Mimulus lewisii
Lewis's syringa, Lewis's mockorange
Philadelphus lewisii
Linear-leaved wormwood, Tarragon
Linear-leaved wormwood, Tarragon
Artemisia dracunculus
Linearleaf phacelia
Linearleaf phacelia
Phacelia linearis
Lodgepole pine
Lodgepole pine
Pinus contorta
Loggerhead shrike
Loggerhead shrike
Lanius ludovicianus
Long-billed curlew
Long-billed curlew
Numenius americanus
Long-leaved mugwort
Artemisia longifolia
Lousewort
Lousewort
Pedicularis cystopteridifolia
Menzies' larkspur
Menzies' larkspur
Delphinium menziesii
Mission bells; rice root
Mission bells; rice root
Fritillaria affinis
Missouri foxtail cactus
Escobaria missouriensis
Missouri milk vetch
Astragalus missouriensis
Moose
Moose
Alces alces
Mountain lady's slipper
Mountain lady's slipper
Cypripedium montanum
Mountain sucker
Mountain sucker
Catostomus platyrhyncus
Mourning dove
Mourning dove
Zenaida macroura
Narrow-leaved collomia
Narrow-leaved collomia
Collomia linearis
Narrow-leaved purple coneflower
Narrow-leaved purple coneflower
Echinacea angustifolia
Narrow-leaved skullcap
Narrow-leaved skullcap
Scutellaria angustifolia
Narrowleaf cottonwood; willowleaf poplar
Narrowleaf cottonwood; willowleaf poplar
Populus angustifolia
Needle and thread grass
Needle and thread grass
Hesperostipa comata
Northern bobcat
Northern bobcat
Lynx rufus pallescens
Northern flicker
Northern flicker
Colaptes auratus
Northern fulmar
Northern fulmar
Fulmarus glacialis
Northern Pacific rattlesnake
Northern Pacific rattlesnake
Crotalus oreganus oreganus
Northern pikeminnow
Northern pikeminnow
Ptychocheilus oregonensis
Northern raccoon
Northern raccoon
Procyon lotor hirtus
Northern sun-cup
Camissonia subacaulis
Ocean spray
Ocean spray
Holodiscus discolor
Orange honeysuckle
Orange honeysuckle
Lonicera ciliosa
Oregon boxwood
Oregon boxwood
Paxistima myrsinites
Oregon pronghorn
Oregon pronghorn
Antilocapra americana oregona
Oregon spotted frog
Oregon spotted frog
Rana pretiosa
Oregon sunshine
Oregon sunshine
Eriophyllum lanatum
Oregon white oak
Oregon white oak
Quercus garryana
Oregon white-topped aster
Oregon white-topped aster
Symphyotrichum eatonii
Owl's clover; goldtongue
Owl's clover; goldtongue
Orthocarpus tenuifolius
Pacific harbor seal
Phoca vitulina richardii
Pacific loon
Gavia pacifica
Pacific madrone
Pacific madrone
Arbutus menziesii
Pacific or Nuttall's dogwood
Pacific or Nuttall's dogwood
Cornus nuttallii
Pacific popcorn flower
Pacific popcorn flower
Plagiobothrys tenellus
Painted turtle
Painted turtle
Chrysemys picta
Passenger pigeon
Ectopistes migratorius
Pestle parsnip
Pestle parsnip
Lomatium nudicaule
Petioled wake-robin
Petioled wake-robin
Trillium petiolatum
Pileated woodpecker
Pileated woodpecker
Dryocopus pileatus
Pin cherry
Pin cherry
Prunus pensylvanica
Pink cleome
Cleome serrulata
Plains cottonwood
Plains cottonwood
Populus deltoides ssp. monilifera
Plains gray wolf
Plains gray wolf
Canis lupus nubilus
Plains horned lizard; Texas horned lizard
Plains horned lizard; Texas horned lizard
Phrynosoma cornutum
Plains pricklypear
Plains pricklypear
Opuntia polyacantha
Pocket gopher
Pocket gopher
Thomomys talpoides
Prairie apple, Indian breadroot
Prairie apple, Indian breadroot
Pediomelum esculentum
Prairie sharp-tailed grouse
Prairie sharp-tailed grouse
Tympanuchus phasianellus jamesi
Pretty Jacob's ladder
Pretty Jacob's ladder
Polemonium pulcherrimum
Pygmy horned toad; Short-horned lizard
Pygmy horned toad; Short-horned lizard
Phrynosoma douglassii
Racoon grape
Ampelopsis cordata
Ragged robin; Beautiful clarkia
Ragged robin; Beautiful clarkia
Clarkia pulchella
Rayless chamomile
Rayless chamomile
Matricaria discoidea
Red alder
Red alder
Alnus rubra
Red false mallow
Red false mallow
Sphaeralcea coccinea
Red flowering currant
Red flowering currant
Ribes sanguineum
Red fox
Red fox
Vulpes vulpes
Red-necked grebe
Podiceps grisegena holbollii
Red-spotted garter snake
Red-spotted garter snake
Thamnophis sirtalis concinnus
Redstem buckbrush; Oregon-tea
Redstem buckbrush; Oregon-tea
Ceanothus sanguineus
Ring-necked duck
Ring-necked duck
Aythya collaris
Rocky Mountain Maple
Acer glabrum
Roosevelt elk
Roosevelt elk
Cervus canadensis roosevelti
Rough skinned newt
Rough skinned newt
Taricha granulosa
Ruffed grouse
Bonasa umbellus
Salmon species
Salmon species
Oncorhynchus spp.
Salmonberry
Salmonberry
Rubus spectabilis
Sandburg's bluegrass, Curly bluegrass
Poa secunda
Saskatoon serviceberry
Saskatoon serviceberry
Amelanchier alnifolia
Sauger
Sauger
Sander canadensis
Scarlet gilia
Ipomopsis aggregata ssp aggregata
Short-tailed shrew
Short-tailed shrew
Blarina brevicauda brevicauda
Showy phlox
Showy phlox
Phlox speciosa
Shrubby beardtongue; Bush penstemon
Shrubby beardtongue; Bush penstemon
Penstemon fruticosus
Silky lupine
Silky lupine
Lupinus sericeus
Silver buffaloberry
Silver buffaloberry
Shepherdia argentea
Silver sagebrush
Silver sagebrush
Artemisia cana
Silver-leaf psoralea; silvery scurfpea
Silver-leaf psoralea; silvery scurfpea
Pediomelum argophyllum
Silverberry
Silverberry
Elaeagnus commutata
Silvery lupine
Silvery lupine
Lupinus argenteus
Sitka mountain ash
Sitka mountain ash
Sorbus sitchensis var grayi
Slender toothwort
Slender toothwort
Cardamine angustata
Small-flowered collinsia; Blue-eyed Mary
Collinsia parviflora
Small-headed clover
Small-headed clover
Trifolium microcephalum
Spiny goldenweed, Lacy tansyaster
Spiny goldenweed, Lacy tansyaster
Machaeranthera pinnatifida
Spiny Soft-shelled turtle
Spiny Soft-shelled turtle
Apalone spinifera
Sticky currant
Sticky currant
Ribes viscosissimum
Sticky laurel; mountain balm
Sticky laurel; mountain balm
Ceanothus velutinus
Striped skunk (Great Plains subspecies)
Striped skunk (Great Plains subspecies)
Mephitis mephitis hudsonica
Striped skunk (western subspecies)
Striped skunk (western subspecies)
Mephitis mephitis notata
Subalpine fir
Subalpine fir
Abies lasiocarpa
Sugar bowls; leather flower
Sugar bowls; leather flower
Clematis hirsutissima
Tailed kittentails
Tailed kittentails
Synthyris missurica
Tassels; Prairie smoke
Tassels; Prairie smoke
Geum triflorum
Thick-billed longspur
Rhynchophanes mccownii
Thimbleberry
Thimbleberry
Rubus parviflorus
Thirteen-lined ground squirrel
Thirteen-lined ground squirrel
Spermophilus tridecemlineatus
Townsend's chipmunk
Townsend's chipmunk
Neotamias townsendii
Townsend's mole
Townsend's mole
Scapanus townsendii
Tufted evening primrose
Tufted evening primrose
Oenothera cespitosa
Tundra swan
Olor columbianus
Twinberry honeysuckle
Twinberry honeysuckle
Lonicera involucrata
Vine maple
Vine maple
Acer circinatum
Virgate scorpionweed
Virgate scorpionweed
Phacelia heterophylla
Wandering garter snake
Wandering garter snake
Thamnophis elegans vagrans
Western blue-flag
Western blue-flag
Iris missouriensis
Western columbine
Western columbine
Aquilegia formosa
Western fence lizard
Western fence lizard
Sceloporus occidentalis
Western gray squirrel
Western gray squirrel
Sciurus griseus
Western gull
Western gull
Larus occidentalis
Western hemlock
Western hemlock
Tsuga heterophylla
Western hog-nose snake
Western hog-nose snake
Heterodon nasicus
Western larch
Western larch
Larix occidentalis
Western paper birch
Western paper birch
Betula occidentalis
Western red cedar; western arbor vitae
Western red cedar; western arbor vitae
Thuja plicata
Western wake-robin
Western wake-robin
Trillium ovatum
Western wallflower
Western wallflower
Erysimum asperum
Western white pine
Western white pine
Pinus monticola
White milkwort
White milkwort
Polygala alba
White sagebrush or Dark-leaved mugwort
White sagebrush or Dark-leaved mugwort
Artemisia ludoviciana
White-margined spurge; snow-on-the-mountain
White-margined spurge; snow-on-the-mountain
Euphorbia marginata
White-tailed deer
White-tailed deer
Odocoileus virginianus
Whitebark pine
Whitebark pine
Pinus albicaulis
Wilcox's penstemon
Wilcox's penstemon
Penstemon wilcoxii
Wild hyacinth
Wild hyacinth
Triteleia grandiflora
Willet
Willet
Tringa semipalmata
Winter wren
Winter wren
Troglodytes hiemalis
Wormleaf stonecrop
Wormleaf stonecrop
Sedum stenopetalum
Yellow bell
Yellow bell
Fritillaria pudica
Yellow fawn lily
Yellow fawn lily
Erythronium grandiflorum
Yellow-bellied marmot
Yellow-bellied marmot
Marmota flaviventris

Birds (24)

American Crow
American Crow
Corvus brachyrhynchos
Along the Missouri River,... New to Science
American White Pelican
American White Pelican
Pelecanus erythrorhynchos
Near the mouth of... New to Science
Bald Eagle
Bald Eagle
Haliaeetus leucocephalus
Along the Missouri River... New to Science
Black-billed Magpie
Black-billed Magpie
Pica hudsonia
Near the mouth of... New to Science
California Condor
California Condor
Gymnogyps californianus
Lower Columbia River, near... New to Science
Canada Goose
Canada Goose
Branta canadensis
Along the Missouri River... New to Science
Clark's Nutcracker
Clark's Nutcracker
Nucifraga columbiana
Lemhi River, Lemhi County,... New to Science
Common Poorwill
Common Poorwill
Phalaenoptilus nuttallii
Great Plains, near the... New to Science
Common Raven
Common Raven
Corvus corax
Along the Missouri River... New to Science
Great Blue Heron
Great Blue Heron
Ardea herodias
Along the Columbia River... New to Science
Greater Sage-Grouse
Greater Sage-Grouse
Centrocercus urophasianus
Near the mouth of... New to Science
Lewis's Woodpecker
Lewis's Woodpecker
Melanerpes lewis
Near present-day Helena, Lewis... New to Science
Mallard Duck
Mallard Duck
Anas platyrhynchos
Along the Missouri River New to Science
Mountain Quail
Mountain Quail
Oreortyx pictus
Near the Cascades of... New to Science
Oregon Ruffed Grouse
Oregon Ruffed Grouse
Bonasa umbellus sabini
Fort Clatsop, near present-day... New to Science
Pinyon Jay
Pinyon Jay
Gymnorhinus cyanocephalus
LaHood Park, Jefferson River,... New to Science
Red-tailed Hawk
Red-tailed Hawk
Buteo jamaicensis
Along the Missouri River,... New to Science
Sandhill Crane
Sandhill Crane
Antigone canadensis
Along the Missouri River... New to Science
Steller's Jay
Steller's Jay
Cyanocitta stelleri
Bitterroot Mountains, Idaho County,... New to Science
Trumpeter Swan
Trumpeter Swan
Cygnus buccinator
Wood River Camp, near... New to Science
Western Grebe
Western Grebe
Aechmophorus occidentalis
Fort Clatsop, near present-day... New to Science
Western Meadowlark
Western Meadowlark
Sturnella neglecta
Near the Great Falls... New to Science
Western Tanager
Western Tanager
Piranga ludoviciana
Near Kamiah, Idaho County,... New to Science
Wild Turkey
Wild Turkey
Meleagris gallopavo
Along the lower Missouri... New to Science

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