They considered the grizzly bear to be the most "terrifying" and "exciting of all the animals they encountered. However, it wasn't the appearance of these animals that really surprised them, but the shear numbers in which they roamed.
Aleutian Canada goose
American Bison
Prairie dogs(barking dogs)
American goldfinch
American raven
Audubon's mountain sheep
Bull snakes
Black-billed magpie
Black-tailed prairie dog
Blue catfish
Bonaparte's gull
Brewer's blackbird
Broad-tailed hummingbird
Bull snake
Bushy-tailed woodrat
Cabanis's woodpecker
California newt
Carolina parakeet
Channel catfish
Clark's nutcracker
Columbia river chub
Columbian black-tailed deer
Columbian ground squirrel
Columbian sharp-tailed grouse
Coyote
Cutthroat trout
Desert cottontail
Double-crested cormorant
Douglas' squirrel
Dusky horned owl
Eastern spiny softshell turtle
Eastern woodrat
Ermine
Eulachon
Forster's tern
Franklin's spruce grouse
Glaucous-winged gull
Goldeye
Gray jay
Greater white-fronted goose
Harbor seal
Harris' woodpecker
Hutchins' goose
Least tern
Lewis' woodpecker
Loggerhead shrike
Long-billed curlew
Long-tailed weasel
McCown's longspur
Missouri beaver
Montana great horned owl
Mountain beaver
Mountain lion
Mountain quail
Mountain sucker
Mule deer
North American porcupine
Northern bobcat
Northern flicker
Northern pikeminnow
Northern plains striped skunk
Northern pocket gopher
Northern raccoon
Northern short-tailed shrew
Northwestern crow
Northwestern garter snake
Nuttall's (common) poorwill
Oregon bobcat
Oregon pronghorn
Oregon ruffed grouse
Oregon spotted frog
Pacific (northern) fulmar
Pacific loon
Pacific nighthawk
Pacific tree frog
Passenger pigeon
Pigmy horned toad
Pinyon jay
Plains gray wolf
Plains horned toad
Plains western hognose snake
Prairie horned lark
Prairie rattlesnake
Prairie sharp-tailed grouse
Pronghorn antelope
Red fox
Red-necked grebe
Red-spotted garter snake
Richardson's blue grouse
Richardson's red squirrel
Ring-necked duck
Rocky Mountain goat
Roosevelt elk
Sage grouse
Sauger
Sea otter
Shiras' moose
Starry flounder
Steelhead trout
Steller's jay
Striped skunk
Swift fox
Thirteen-lined ground squirrel
Townsend's chipmunk
Townsend's mole
Tundra swan
Water terrapin
Western badger
Western common crow
Western fence lizard
Western gray squirrel
Western grebe
Western gull
Western meadowlark
Western mourning dove
Western pileated woodpecker
Western rattlesnake
Western tanager
Western toad
Western willet
Western winter wren
White sturgeon
White-tailed deer
White-tailed jackrabbit
Yellow-bellied marmot
the barking squirrel of cors
Prairie Dog
yes
Yes, Meriwether Lewis and William Clark did discover Washington State. But without Sacaguea's help the expedition, it would've taken much longer
Yes! on their expidition they found it.
the barking squirrel of cors
Prairie Dog
black-tailed prairie dog
Because at the time they were named,nothing in the west was named after Lewis and Clark.
1966
the landmarks lewis and clark dicoversed on their expedition is the john handcock
Shawnee
1563
1805 and 6
Yes
yes
meriweather lewis and william