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Lewis & Clark as Naturalists
The Collection: Locality Information Lewis and Clark as Naturalists
Locality Name:
Fort Clatsop
Clatsop County , Oregon

Species Encountered:
icon-1 Perisoreus canadensis
Gray Jay
January 3, 1806

On the second day of the new year, 1806, Lewis began his journal passage by remarking on two elk the hunters had brought into camp.  He then listed ...  more>>

icon-4 Gaultheria shallon Pursh
salal, shallon
January 20, 1806

An image of the specimen in the Lewis and Clark herbarium. . . .
more>>

icon-4 Vaccinium myrtillus L.
whortleberry
January 20, 1806

An image of the specimen in the Lewis and Clark herbarium. . . .
more>>

icon-4 Dryopteris carthusiana (Vill.) H.P.Fuchs
spinulose woodfern
January 20, 1806

The drawing from Lewis' journal has been confirmed as Dryopteris carthusiana by Greg McKee, US National Herbarium.
An image of the ...  more>>

icon-4 Blechnum spicant (L.) Sm.
deer fern
January 20, 1806

An image of the specimen in the Lewis and Clark herbarium. . . .
more>>

icon-4 Pteridium aquilinum (L.) Kuhn
western brackenfern
January 22, 1806
icon-4 Lupinus littoralis Dougl.
seashore lupine
January 24, 1806
icon-4 Vaccinium ovatum Pursh
evergreen huckleberry, California huckleberry
January 27, 1806

An image of the specimen in the Lewis and Clark herbarium. . . .
more>>

icon-4 Malus fusca (Raf.) Schneid.
Oregon crabapple
January 28, 1806
icon-4 Sambucus nigra L. ssp. caerulea (Raf.) R.Bolli
blue elderberry
February 2, 1806
icon-4 Picea sitchensis (Bong.) Carr.
Sitka spruce
February 4, 1806
icon-4 Tsuga mertensiana (Bong.) Carr.
mountain hemlock
February 5, 1806
icon-4 Abies grandis (Dougl. ex D.Don) Lindl.
grand fir
February 6, 1806
icon-4 Pinus monticola Dougl. ex D.Don
western white pine
February 6, 1806
icon-4 Vaccinium membranaceum Dougl. ex Torr.
thinleaf huckleberry
February 7, 1806
icon-4 Pseudotsuga menziesii (Mirb.) Franco
Douglas fir
February 9, 1806
icon-3 Lynx rufus
Bobcat
February 21, 1806

While at Fort Clatsop, Oregon, the Captains took time to describe and compare the Northwest fauna to that east of the Rockies.  One animal ...  more>>

icon-3 Vulpes vulpes
Red Fox
February 21, 1806

Reading journal entries relating to the foxes Lewis and Clark encountered can be somewhat confusing.  They refer to silver, large red, common red,...  more>>

icon-2 Thaleichthys pacificus Richardson
eulachon
February 24, 1806
Lewis described on the 24th and Clark illustrated this fish on the 25th
icon-3 Tamiasciurus douglasii
Douglas's Squirrel
February 25, 1806
icon-3 Sciurus griseus
Western Gray Squirrel
February 25, 1806

Lewis was exactly right when he remarked how western gray squirrels are found only where oak is present, and usually with pine.  Indeed, this ...  more>>

icon-3 Tamiasciurus hudsonicus
Red Squirrel
February 25, 1806
icon-3 Tamias townsendii
Townsend's Chipmunk
February 25, 1806

Well, in this case, Lewis missed describing a new species.  What he meant is that it differs not at all from the eastern chipmunk.  But had ...  more>>

icon-3 Taxidea taxus
American Badger
February 26, 1806
icon-3 Scapanus townsendii
Townsend's Mole
February 26, 1806
icon-3 Martes pennanti
Fisher
February 26, 1806
icon-3 Aplodontia rufa
Mountain Beaver
February 26, 1806
icon-3 Mephitis mephitis
Striped Skunk
February 28, 1806

The striped skunk ,or polecat, received just two short entries in the diaries, one each from Lewis and Clark.  This relative of the weasel and otter is ...  more>>

icon-1 Corvus corax
Common Raven
March 3, 1806
icon-1 Corvus caurinas
Northwestern Crow
March 3, 1806

Only slightly smaller and with a huskier voice, the northwestern crow resembles the American crow to a remarkable degree.  Some professional ...  more>>

icon-1 Dryocopus pileatus
Pileated Woodpecker
March 4, 1806
icon-1 Troglodytes troglodytes
Winter Wren
March 4, 1806
icon-2 Thaleichthys pacificus Richardson
eulachon
March 4, 1806
icon-1 Larus philadelphia
Bonaparte's Gull
March 7, 1806
icon-1 Fulmarus glacialis
Northern Fulmar
March 7, 1806
icon-1 Gavia pacifica
Pacific Loon
March 7, 1806
icon-1 Aechmophorus clarkii
Clark's Grebe
March 7, 1806

The Clark’s Grebe was initially described by Lewis as a small loon.  Eventually, this bird was equated with the Western Grebe and, more recently ...  more>>

icon-1 Larus occidentalis
Western Gull
March 7, 1806
icon-1 Cygnus columbianus
Tundra Swan
March 9, 1806
The Captains described two types of swans in their journals. The larger of these birds is thought to be the trumpeter swan (Cygnus buccinator) and the ...  more>>
icon-1 Cygnus buccinator
Trumpeter Swan
March 9, 1806
The Captains described two types of swans in their journals. The larger of these birds is thought to be the trumpeter swan (Cygnus buccinator) and the ...  more>>
icon-1 Podiceps grisegena
Red-necked Grebe
March 10, 1806
icon-6 Taricha granulosa Skilton
rough-skinned newt
March 11, 1806
icon-2 Catostomus platyrhynchus Cope
mountain sucker
March 12, 1806
The expedition caught two species of sucker in the Missouri River, Montana. One was the northern sucker or bottlenose and the other was probably the mountain ...  more>>
icon-4 Hordeum jubatum L.
foxtail barley
March 13, 1806

An image of the specimen in the Lewis and Clark herbarium. . . .
more>>

icon-4 Argentina egedii (Wormsk.) Rydb.
Pacific cinquefoil
March 13, 1806

Additional images of . . .
Argentina egedii - these images are copyrighted by Dr. James L. Reveal and used with the permission ...  more>>

icon-2 Oncorhynchus nerka Walbaum in Artedi
blue-backed salmon, sockeye salmon, red salmon
March 13, 1806
icon-2 Oncorhynchus tshawytscha Waldaum in Artedi
king salmon, chinook salmon
March 13, 1806
icon-4 Cirsium edule Nutt.
edible thistle
March 13, 1806

An image of the specimen in the Lewis and Clark herbarium. . . .
more>>

icon-2 Platichthys stellatus Pallas
starry flounder
March 13, 1806
icon-2 Oncorhynchus mykiss Walbaum
rainbow trout, redband trout, steelhead
March 13, 1806
icon-2 Oncorhynchus clarki Richardson
cutthroat trout
March 14, 1806
Lewis and Clark called it the speckled trout because of the spots the fish shows on the flanks and fins. Also known as the Clark's trout,...  more>>
icon-4 Oxalis oregana Nutt.
Oregon wood-sorrell, redwood sorrell
March 15, 1806
icon-1 Anser albifrons
Greater White-fronted Goose
March 15, 1806

Specklebelly

As the greater white-fronted goose has distinct markings that set it apart from all other North American geese, Lewis had no ...  more>>

icon-2 Oncorhynchus kisutch Walbaum
coho salmon, silver salmon
March 16, 1806


 
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