5,970 Free Images of Endangered

endangered and/or threatened species biologists(usfws)wildlife refuge fish animals aquatic environment work of the service wildlife viewing boat wildlife

Biologist shows scales on the Gulf sturgeon in river

Juvenile Gopher tortise feeding

reptiles animals

Blue Whale carcass

Devils Hole Pupfish in captivity-1

Anglers release a salmon-3

recreational fish

Texas wild-rice

Gorilla

Captive Devils Hole pupfish

Female Hawaii ‘Ākepa

Biologists in boat net Gulf sturgeon in river-1

Biologists show length of Gulf sturgeon in river

Biologists in boat net Gulf sturgeon in river-1

‘Alae ‘Ula (Hawaiian Moorehen)-2

Black-footed Ferret-1

wildlife animals

Biologists in boat net Gulf sturgeon in river-5

Biologists in boat study Gulf sturgeon in river-1

Pair of Wood storks

Wyoming toad-1

amphibian animals

Antioch Dunes Evening Primrose

Wyoming toad-1

amphibian animals

Wyoming toads-2

amphibian animals

Biologists show length of Gulf sturgeon in river-1

Bull trout-1

Ash Meadows Amargosa pupfish-1

Captive Devils Hole pupfish-4

Northern Aplomado Falcon-1

birds of prey bird

Biologists dip net Gila trout out of tank into buckets-4

partnership new mexico

Hatchling Gopher tortoise feeding-7

reptiles animals

Biologists search for Fountain Darter-3

Anglers fish near a town

Biologists dip net Gila trout out of tank into buckets-2

partnership new mexico

Biologists in boat net Gulf sturgeon in river-3

Myrtle's Silverspot butterfly

Red Knot banding

Biologist stocks Gila trout in Mineral Creek

Black-footed Ferret-2

wildlife animals

Chinook salmon-5

Fishing the Columbia River

Young couple fishing-1

Releasing a Fall Chinook salmon

Biologists in boat study Gulf sturgeon in river-1

Taylor's Checkerspot butterfly

butterfly nature

Miami Blue Butterfly

animals insects

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Santa Monica Mountains dudleya-4

Two year old pallid sturgeon

conservation fish

Sockeye salmon-1

Mountain yellow-legged frog-1

amphibian animals

Caribbean roseate terns-2

Rafinesque's big-eared bat-3

Biologists feed a protein and sugar mixture to each captured bird

Biologists show length of Gulf sturgeon in river-2

Preparing a small GPS satellite collar for the sedated lynx

mammals monitor

Red Knot banding-3

Biologist shows front view of Gulf sturgeon in river-2

Santa Monica Mountains dudleya

Biologists search for Fountain Darter-2

Display at National Conservation Training Center

Biologist shows front view of Gulf sturgeon in river-1

Biologists show length of Gulf sturgeon in river-1

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animals mammals

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rare birds bird

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orangutan mammals

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Dwarf Lake iris

Cryogenic tanks for Pallid sturgeon sperm-1

Eastern small-footed bat-2

Black-footed Ferret-2

wildlife animals

Biologist in boat study Gulf sturgeon in river-1

Black-footed Ferret kits

wildlife animals

Biologists in boat net Gulf sturgeon in river-1

Black wolf catches a Uinta ground squirrel

wildlife animals

Pallid sturgeon juvenile yearling

conservation fish

Juvenile yearling pallid sturgeon

conservation fish

Red wolf-1

wildlife animals

Volunteer holding a sub-adult humpback chub

Biologists search for Fountain Darter-1

Employee displays banded Hawai‘i creeper

Biologist shows front view of Gulf sturgeon in river

Devils Hole Pupfish in captivity-2

Ash Meadows Amargosa pupfish-1

Sockeye salmon-2

underwater fish

Condor habitat in mountainous Ventana Wilderness Area

Texas wild-rice-1

Captive Devils Hole pupfish-4

Anglers catch and release

Recreational fishing on the Columbia River

Biologist in boat study Gulf sturgeon in river-1

Biologists dip net Gila trout out of tank into buckets-5

partnership new mexico

Delmarva Peninsula fox squirrel pit tagging-1

maryland mammals

Biologist stocks Gila trout into Mineral Creek-4

Red wolf captive-5

animals mammals

Black-footed Ferrets in preconditioning pens

wildlife mammals

Juvenile pallid sturgeon -2

conservation fish

Capative propagation of the purple bankclimber mussel-1

American paddlefish fry 5 week old

Colorado hookless Cactus-1

Cryogenic tanks for Pallid sturgeon sperm-1

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