4,010 Free Images of Threatening

endangered and/or threatened species fish animals wildlife refuge fish hatcheries aquaculture work of the service water florida underwater

Barton Springs Salamander-1

wildlife animals

Close-up of Lake sturgeon

Bog turtle-2

reptiles animals

Delmarva Peninsula fox squirrel-3

animals mammals

Sockeye salmon-2

Endangered Tobusch fishhook cactus flower-2

flowering plant texas

Alligator on the bank of pond

amphibian wildlife

Fisheries biologist processes Gulf sturgeon-3

Juvenile Dolly Varden-4

FWS Employee Removing Red-Cockaded Woodpecker from Net

south carolina bird

Mission Blue butterfly-3

Mountain yellow-legged frog-2

amphibian animals

Fisheries biologist processes Gulf sturgeon-1

Swamp pink plant-2

mountain plants

Laysan duck ducklings-3

Hillside view of Tideström's lupine with monardella

landscape mountain

Fisheries biologist displays Gulf sturgeon underside

Pallid Sturgeon-1

Pallid sturgeon-2

underwater fish

Peninsular bighorn sheep ewes

wildlife animals

Short-tailed Albatross

Ash Meadows Speckled Dace-1

Mountain yellow-legged frog and eggs

amphibian mountain

Cave opening at Carters Cave-2

landscape nature

Mississippi Sandhill Crane-4

Side view of Alligator sunning

amphibian reptiles

Chinook salmon migrating-3

Scales on a Gulf sturgeon

Bog turtle shell being measured

north carolina reptiles

Puerto Rican Parrot

Piping plover chick and adult

new jersey scenic

Pallid sturgeon-1

underwater fish

Juvenile Pallid sturgeon

California red-legged frog-1

california amphibian

Hawaiian Monk seal

underwater water

Greater sage-grouse-3

Sockeye salmon-3

Florida manatee-1

Pallid Sturgeon-3

Grizzly bear with cub

Texas Wild Rice

Endangered Tobusch fishhook cactus

flowering plant texas

Black wolf

animals mammals

USFWS work boat

Greater sage-grouse-2

Pallid sturgeon-1

underwater fish

FWS employee examines California Least tern remains

california bird

Manatee-2

underwater water

American paddlefish fry

Sockeye salmon-1

Pallid Sturgeon-3

San Marcos Salamander-3

Green Sea Turtle

reptiles animals

Biologists hold a Panama City crayfish

crustacean florida

Pallid sturgeon-1

underwater fish

Biologist nets a Panama City crayfish

crustacean florida

Snorkeler with Florida manatee

Biologist displays a Panama City crayfish

crustacean florida

Rio Grande silvery minnow

new mexico fish

Polar bear stretching

marine mammal animals

Sierra Nevada Bighorn sheep-1

Pallid sturgeon-1

Gulf sturgeon-1

Pallid sturgeon-2

underwater fish

Black rhino with calf (male)

Ash Meadows Speckled Dace-1

underwater fish

Red-legged kittiwake-2

Sockeye salmon-1

Sockeye salmon-2

Devils Hole pupfish-1

underwater fish

Mountain yellow-legged frog-6

amphibian mountain

Fountain darter-1

Sockeye salmon-1

Ash Meadows Invesia-3

wildflower nature

Panama City crayfish-1

Indiana bats

animals mammals

Pallid sturgeon-1

underwater fish

Juvenile Chinook salmon-1

Mountain yellow-legged frog-1

amphibian mountain

Sockeye salmon-3

Okaloosa darter-1

Hine's emerald dragonfly in researchers hand

animals insects

Sockeye salmon-3

Pallid Sturgeon-1

Pallid Sturgeon-14

Dolly Varden-2

Sockeye salmon-1

Red-legged kittiwake-4

Puerto Rican nightjar-3

Atlantic salmon sac fry

Biologist with gulf sturgeon on the Choctawhatchee River-3

Florida manatee-2

Sockeye salmon-1

Biologist with gulf sturgeon on the Choctawhatchee River-1

'Apapane, juvenile

Bearded seal-2

Green pitcher plants

Sockeye salmon-1

Paddlefish in clear water

USFWS Biologist collects Texas Wild Rice

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