3,856 Free Photos of Threatening

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

Sockeye salmon-1

Lake sturgeon in net being weighed

Pallid Sturgeon-1

Sockeye salmon-1

Florida manatee-1

Barton Springs Salamander

wildlife animals

Red-legged kittiwake-1

Sierra Nevada Bighorn sheep

Pallid Sturgeon-4

American paddlefish-1

Cheat Mountain salamander-1

amphibian reptiles

Close-up of a Panama City crayfish

crustacean florida

Peninsular pronghorn

wildlife animals

Pallid sturgeon-3

underwater fish

Dolly Varden-1

Mountain yellow-legged frog-1

amphibian mountain

Gila trout-2

partnership new mexico

Piping plover adult

Endangered mussels bound for the Powell River

north carolina partnership

Chinook salmon-1

American paddlefish leucistic

Salado Salamander

wildlife animals

American paddlefish fry

Ash Meadows Speckled Dace-1

underwater fish

Pallid Sturgeon-1

Double-crested cormorant chick colony

Chinook salmon migrating-2

Lake sturgeon mouth

Okaloosa darter-2

Texas Wild Rice-1

underwater plants

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

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

701 - 800 of 3,856 Next page

/ 39