3,975 Free Images of Threatening

endangered and/or threatened species fish animals wildlife refuge work of the service wildlife underwater water sea life wildlife viewing

Devils Hole Pupfish in captivity-3

Mountain yellow-legged frog-2

amphibian animals

Piping plover chick-1

new jersey bird

Volunteer with baby loggerhead turtle

celebrities animals

El Segundo blue butterfly

Puerto Rican Parrot in flight

Juvenile Chinook salmon-1

Moapa Dace

Texas Wild Rice-1

Service videographer

Ash Meadows Speckled Dace-2

underwater fish

Willowy monardella

Clump of green pitcher plants

Northern Wild monkshood on talus surface

Red wolf-2

wildlife animals

Biologists in boat net Gulf sturgeon in river

Biologist in boat study Gulf sturgeon in river

Tri-colored bat-1

Red wolf-4

Juvenile Chinook salmon-3

Captive Devils Hole pupfish-5

Fisheries biologists release Gulf sturgeon

Staff monitoring endangered plant species site in Southern California

Biologists measure a Gulf sturgeon in river-1

Captive Devils Hole pupfish-1

Pair of Wood storks-1

Devils Hole Pupfish in captivity-1

Wyoming toad-2

reptiles animals

Pallid Sturgeon-1

Green sea turtle hatchling

reptiles animals

Biologists weigh a Gulf sturgeon in river-2

Florida manatee

Close-up of Lake sturgeon-7

Chinook salmon migrating-2

Pallid sturgeon-1

conservation fish

Chinook salmon migrating-1

Black-footed Ferret kit

wildlife mammals

Pallid Sturgeon-1

Biologists process a Gulf sturgeon in river-4

Taking notes

Key deer

wildlife animals

Florida manatee-1

underwater water

Fisheries biologist displays Gulf sturgeon underside-1

Red wolf-2

wildlife animals

Pallid sturgeon-1

underwater fish

Mountain yellow-legged frog-1

Hawaiian duck

California Condor waits for his partner

wildlife refuge california

Wolf collaring

Fisheries biologists measure Gulf sturgeon-1

Northern long-eared Bat-1

Red wolf-1

wildlife animals

Biologist holds Gila trout in Mineral Creek

partnership new mexico

Okaloosa darter-4

Finding a bat

Male Least tern waves fish at female

Group of Wood Storks

Black-footed Ferret reintroduction

grassland mammals

Wolf collaring-1

Devils Hole Pupfish in captivity-3

Male Short-tailed albatross and chick

Female Short-tailed Albatross on Chick

Sockeye salmon-1

Chinook salmon-3

Mississippi Sandhill Crane-1

Wood stork-1

Chinook salmon-1

Devils Hole Pupfish in captivity-1

Northern aplomado falcon-1

Paddlefish in clear water-1

Laysan albatross in flight

Juvenile Chinook salmon-2

Red wolf-1

wildlife animals

Roseate tern nest hidden in the plants

Miami Blue Butterfly-3

Biologist reattaches fish tank to helicopter cable-3

partnership new mexico

Texas Blind Salamander-2

underwater animals

Chinook salmon migrating-3

Devils Hole pupfish-1

Red wolf-3

wildlife mammals

Okaloosa darter-5

Pallid sturgeon-1

Dolly Varden-1

Mountain yellow-legged frog and eggs-2

amphibian mountain

Biologist stocks Gila trout in Mineral Creek-4

partnership new mexico

Ash Meadows gumplant-5

Devils Hole Pupfish in captivity-2

Biologists search for Fountain Darter-1

Gila trout-4

Fisheries biologist releases Gulf sturgeon -1

Pallid sturgeon

conservation fish

Texas Blind Salamander-2

underwater animals

Mountain yellow-legged frog-4

wildlife animals

Pallid Sturgeon-2

underwater fish

Lake sturgeon tail with floy tag for identification

Measuring the ears of a sedated lynx

mammals monitor

Fisheries biologist releases Gulf sturgeon -1

Florida manatee-1

Pallid sturgeon-2

underwater fish

Chinook salmon migrating-4

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