3,975 Free Images of Threatening

endangered and/or threatened species fish animals wildlife refuge water wildlife alaska work of the service aquatic environment underwater

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

Fisheries biologist processes Gulf sturgeon-1

Salado Salamander-6

underwater wildlife

Endangered Birds Nesting sign-1

Mountain golden heather with bloom

Common tern-1

Dolly Varden-2

Valley Elderberry Longhorn Beetle-3

animals insects

Side view of a polar bear

animals mammals

Where confiscated wildlife ends up

wildlife animals

California red-legged frog-2

california amphibian

Sockeye salmon-3

Bay Checkerspot butterfly-2

Common tern-1

San Marcos Salamander-1

California Condor and chick in nest cave-1

birds of prey bird

Okaloosa darter-2

Another bat in the net

Northern Aplomado Falcon-2

Chinook salmon migrating-2

Delmarva Peninsula fox squirrel-6

animals mammals

Ashland Forensics Lab-2

Dolly Varden-1

Juvenile Chinook salmon-4

Sockeye salmon-3

Hawaiian monk seal and Red-footed booby

marine mammal islands

Palo de rosa

Chinook salmon migrating-3

Sockeye salmon-1

Mississippi sandhill cranes

Fisheries biologists measure Gulf sturgeon-3

Hine's emerald dragonfly larvae in shallow water-1

arthropod insects

Hawaiian Stilt

Sockeye salmon-1

Volunteer with baby loggerhead turtle-1

volunteer reptiles

Botanist digging a hole to plant swamp pink plant

flowering plant plants

Comal Springs

Mountain sweet pitcher plant flower

Sunset over the frozen lake-1

Close up of Leatherback turtle-2

Nutall's violet

Colorado hookless Cactus

Perdido Key beach mouse

mammals florida

Yellow-shouldered blackbird with band

Fisheries biologists measure Gulf sturgeon-1

Indiana bat roost

Steller sea lions-5

animals mammals

Northern Aplomado Falcon-3

Pagosa skyrocket plant

Biologist holds adult Gila trout

partnership new mexico

Loggerhead turtle builds her nest-2

reptiles animals

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

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