What animal did Lewis and Clark discover?

Answer 1

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

Grizzly bear

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

Answer 2

Lewis and Clark discovered new species of animals during their expedition, but one notable animal they encountered and described was the prairie dog. They documented its behavior and habitat for the scientific community back in the early 19th century.