5,981 Free Images of Endangered

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

Documenting the Hellbender

north carolina amphibian

Wyoming toad-2

reptiles animals

Biologists process a Gulf sturgeon in river-4

Biologists release a Gulf sturgeon in river-1

Biologists capture a Gulf sturgeon in river-1

Wolf collaring-1

Green Sea Turtle hatchling-2

reptiles animals

Devils Hole Pupfish in captivity-1

Service employee displays an Atlantic Salmon

Close-up of Lake sturgeon-7

The Pacific Hawaiian Damselfly

arthropod animals

Mississippi Sandhill Crane-4

Wyoming toad-9

reptiles indoor

Tri-colored bat-1

Biologists search for Fountain Darter-1

Red wolf

Greater sage-grouse

Biologists with Gulf sturgeon in river

Tri-colored bat

Fisheries biologist releases Gulf sturgeon

Florida manatee-1

Biologists process a Gulf sturgeon in river

Dolly Varden-1

Key deer-1

animals mammals

Biologists capture a Gulf sturgeon in river

Captive Devils Hole pupfish-2

Close up of sutured surgery site on abdomen of lake sturgeon-1

Mountain yellow-legged frog-4

wildlife animals

Northern Long-Eared Bat-1

Pallid Sturgeon-2

underwater fish

Fisheries biologist releases Gulf sturgeon -1

Texas Blind Salamander-2

underwater animals

Wyoming toad-3

reptiles colorado

Baby loggerhead turtles hatching at night

Captive Devils Hole pupfish-2

Gila Trout in net

new mexico fish

Couple releases salmon

Pallid Sturgeon-1

Biologists search for Fountain Darter-3

Northern Long-Eared Bat-4

Red wolf-1

wildlife animals

Biologist reattaches fish tank to helicopter cable-3

partnership new mexico

Wyoming toad-3

reptiles animals

Biologists weigh a Gulf sturgeon in river-3

Juvenile Gopher tortise feeding

reptiles animals

Pallid Sturgeon-1

Hellbender in hand

north carolina amphibian

Pallid sturgeon-1

conservation fish

Masked bobwhite quail

Hatchling Gopher tortoises sharing a burrow

reptiles georgia

Wood stork-2

clay-loving wild buckwheat-2

Biologists weigh a Gulf sturgeon in river-2

Juvenile pallid sturgeon

conservation fish

Biologists search for Fountain Darter-1

Black-footed Ferret

wildlife animals

Atlantic sturgeon-3

Pallid sturgeon-1

conservation fish

Chinook salmon migrating-1

Indiana bat

landscape water

Biologists dip net Gila trout out of tank into buckets

partnership new mexico

Pitcher's thistle

Red wolf-4

Biologists weigh a Gulf sturgeon in river-5

Delmarva Peninsula fox squirrel-6

wildlife animals

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

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

Biologists in boat net Gulf sturgeon in river-1

Biologist shows front view of Gulf sturgeon in river

Wyoming toad-1

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

Cryogenic tanks for Pallid sturgeon sperm-1

Black wolf catches a Uinta ground squirrel

wildlife animals

Black-footed Ferrets in preconditioning pens

wildlife mammals

Eastern small-footed bat-1

Biologists search for Fountain Darter-3

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

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