4,179 Free Images of Threatening

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

Ash Meadows Amargosa pupfish-1

Captive Devils Hole pupfish-5

Biologists measure a Gulf sturgeon in river-1

Anglers release a salmon-3

recreational fish

Biologists search for Fountain Darter-4

Biologists search for Fountain Darter-3

Black-footed Ferret-8

wildlife mammals

Blue Whale carcass

Green sea turtle hatchling

reptiles animals

Cryogenic tanks for Pallid sturgeon sperm

Ash Meadows Amargosa pupfish-1

Appalachian elktoe mussel on the stream bottom

underwater biology

Pallid Sturgeon-1

Captive Devils Hole pupfish-1

Biologists search for Fountain Darter-2

Florida manatee

Measuring a hellbender

north carolina amphibian

Texas wild-rice

Devils Hole Pupfish in captivity-1

Delhi Sands flower- loving fly

arthropod nature

Black-footed Ferret kit

wildlife mammals

Pallid sturgeon-1

Hine's emerald dragonfly larvae in shallow water-2

Anglers release a salmon-3

recreational fish

Chinook salmon migrating-2

Sumatran tiger-1

wildlife animals

Wyoming toad-3

reptiles animals

Red wolf-1

Kendall Warm Springs dace-2

Pallid sturgeon-1

conservation fish

Columbian white-tailed Deer on Tenasillahe Island

Juvenile Chinook salmon-3

Cryogenic tanks for Pallid sturgeon sperm-1

Biologists search for Fountain Darter-3

Biologists in boat net Gulf sturgeon in river-1

‘Alae ‘Ula (Hawaiian Moorehen)-2

Captive Devils Hole pupfish-4

Anglers catch and release

Recreational fishing on the Columbia River

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

partnership new mexico

Colorado hookless Cactus-1

Biologists in boat net Gulf sturgeon in river-5

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

partnership new mexico

Green pitcher plant with flower

Juvenile pallid sturgeon -1

conservation fish

Biologists in boat study Gulf sturgeon in river-1

Hatchling Gopher tortoise feeding-3

reptiles animals

Pair of Wood storks

Black wolf pup

animals wyoming

Biologists tag a hellbender

north carolina amphibian

Black-footed Ferret-2

wildlife animals

Biologist in boat study Gulf sturgeon in river-1

Black-footed Ferret kits

wildlife animals

Northern Aplomado Falcon-1

Biologists search for Fountain Darter-1

Juvenile atlantic salmon

Employee displays banded Hawai‘i creeper

Female Hawaii ‘Ākepa

Captive Devils Hole pupfish-2

Eastern small-footed bat-2

Endangered Braunton's milk-vetch

Biologist shows front view of Gulf sturgeon in river

Wyoming toad-1

Juvenile pallid sturgeon -2

conservation fish

Black wolf catches a Uinta ground squirrel

wildlife animals

American paddlefish fry 5 week old

Black-footed Ferrets in preconditioning pens

wildlife mammals

Eastern small-footed bat-1

Delmarva Peninsula fox squirrel-6

wildlife animals

Wyoming toad-1

amphibian animals

Wyoming toads-2

amphibian animals

Piping plover chick-3

Netting Gulf sturgeon in river

Red wolf on refuge-2

wildlife animals

Biologists in boat net Gulf sturgeon in river-1

Juvenile pallid sturgeon yearling

conservation fish

Ash Meadows Amargosa pupfish-1

Measuring a young bog turtle in a western north carolina bog

reptiles science

Pagosa skyrocket flowers-1

Biologists in boat net Gulf sturgeon in river-3

Biologist in boat study Gulf sturgeon in river-1

Releasing a Fall Chinook salmon

Biologists in boat study Gulf sturgeon in river-1

Anglers fish near a town

Fishing together-2

Black-footed Ferret-1

wildlife animals

Fishing together on the Columbia River

Red wolf captive-5

animals mammals

Black-footed Ferret-1

wildlife mammals

Hatchling Gopher tortoise feeding-7

reptiles animals

Cryogenic tanks for Pallid sturgeon sperm-1

Myrtle's Silverspot butterfly

Delmarva Peninsula fox squirrel pit tagging-1

maryland mammals

Miami Blue Butterfly

animals insects

Red Knot banding

Biologist shows length of Gulf sturgeon in river

Pallid sturgeon juvenile yearling

conservation fish

PIT tags for Gila trout

new mexico fish

Biologist stocks Gila trout in Mineral Creek

Sockeye salmon-2

underwater fish

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