3,856 Free Photos of Threatening

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

Biologists search for Fountain Darter-3

Mountain yellow-legged frog-1

wildlife animals

Fisheries biologist releases Gulf sturgeon -1

Devils Hole Pupfish in captivity-3

Captive Devils Hole pupfish-1

Ash Meadows Speckled Dace-4

Texas Blind Salamander-2

underwater animals

Chinook salmon migrating-3

Biologists measure each bird

Devils River minnow

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

Biologists search for Fountain Darter-1

Mountain yellow-legged frog-4

wildlife animals

Northern Long-Eared Bat-1

Northern Long-Eared Bat-4

Red wolf-1

wildlife animals

Biologist reattaches fish tank to helicopter cable-3

partnership new mexico

Couple releases salmon

Pallid Sturgeon-1

Researchers track the movement of endangered Gray bats-2

Sign designating area for Endangered Braunton's milk-vetch

Dolly Varden-1

Key deer-1

animals mammals

Biologists capture a Gulf sturgeon in river

Captive Devils Hole pupfish-2

Biologists search for Fountain Darter-3

Biologists with Gulf sturgeon in river

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

Captive Devils Hole pupfish-2

Gila Trout in net

new mexico fish

Red wolf

Greater sage-grouse

Tri-colored bat

Fisheries biologist releases Gulf sturgeon

Florida manatee-1

Biologists process a Gulf sturgeon in river

Hellbender in hand

north carolina amphibian

Juvenile Gopher tortise feeding

reptiles animals

Pallid Sturgeon-1

Red wolf-4

Biologists weigh a Gulf sturgeon in river-5

Delmarva Peninsula fox squirrel-6

wildlife animals

Biologists measure a Gulf sturgeon in river-1

clay-loving wild buckwheat-2

Ash Meadows Amargosa pupfish-1

Captive Devils Hole pupfish-5

Biologists search for Fountain Darter-4

Biologists search for Fountain Darter-3

Biologists weigh a Gulf sturgeon in river-2

Wyoming toad-3

reptiles animals

Biologists weigh a Gulf sturgeon in river-3

Staff monitoring endangered plant species site in Southern California

Anglers release a salmon-3

recreational fish

Atlantic sturgeon-3

Pallid sturgeon-1

conservation fish

Chinook salmon migrating-1

Pallid sturgeon-1

conservation fish

Masked bobwhite quail

Hatchling Gopher tortoises sharing a burrow

reptiles georgia

Wood stork-2

Indiana bat

landscape water

Biologists dip net Gila trout out of tank into buckets

partnership new mexico

Pitcher's thistle

Juvenile pallid sturgeon

conservation fish

Biologists search for Fountain Darter-1

Black-footed Ferret

wildlife animals

Devils Hole Pupfish in captivity-1

Devils Hole Pupfish in captivity-1

Texas Blind Salamander-1

underwater animals

Puerto Rican Amazons days prior to release

Biologist shows scales on the Gulf sturgeon in river

Biologists capture a Gulf sturgeon in river-4

Fisheries biologists release Gulf sturgeon

Biologists process a Gulf sturgeon in river-4

Biologist transfers adult Gila trout to buckets for distribution-3

partnership new mexico

Captive Devils Hole pupfish-1

Pallid Sturgeon-1

Biologists in boat net Gulf sturgeon in river

Biologist in boat study Gulf sturgeon in river

Documenting the Hellbender

north carolina amphibian

Wyoming toad-2

reptiles animals

Wildlife educators with African Serval cat

Ash Meadows Amargosa pupfish-1

Ash Meadows Amargosa pupfish-5

Hawaiian Monk Seal

Pair of Wood storks-1

Wolf collaring-1

Green Sea Turtle hatchling-2

reptiles animals

Close-up of Lake sturgeon-7

Biologists process a Gulf sturgeon in river-4

Biologists release a Gulf sturgeon in river-1

Biologists capture a Gulf sturgeon in river-1

Devils Hole Pupfish in captivity-1

Service employee displays an Atlantic Salmon

The Pacific Hawaiian Damselfly

arthropod animals

Mississippi Sandhill Crane-4

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