3,856 Free Photos of Threatening

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

‘Alae ‘Ula (Hawaiian Moorehen)

Miami Blue Butterfly-3

Wolf collaring-1

Laysan albatross in flight

California Condor and chick in nest cave

birds of prey bird

Two trumpeter swans at Tetlin National Wildlife Refuge

Shovelnose Sturgeon in living stream

underwater fish

San Diego fairy shrimp-1

crustacean water

Fisheries biologists holds fin on a Gulf sturgeon-2

California condor-3

birds of prey wildlife

Sockeye salmon-1

Red wolf-1

wildlife animals

Release plume

Roseate tern nest hidden in the plants

Key deer

wildlife animals

Texas horned lizard-4

reptiles desert

Delmarva Peninsula fox squirrel-2

animals mammals

Biologist stocks Gila trout in Mineral Creek-4

partnership new mexico

Northeastern beach tiger beetles

arthropod animals

Hatchling Gopher tortoise sleeping

reptiles georgia

Green Sea Turtle hatchling

wildlife animals

Pallid Sturgeon-1

underwater fish

Devils Hole Pupfish in captivity

Ash Meadows Speckled Dace-4

Texas Blind Salamander-2

underwater animals

Chinook salmon migrating-3

Biologists measure each bird

Devils River minnow

Red wolf-3

wildlife mammals

Texas Blind Salamander-3

underwater animals

Wood storks

Devils Hole Pupfish in captivity-3

Large ghost orchid

Biologist stocks Gila trout in Mineral Creek-3

partnership new mexico

Devils Hole pupfish-1

Traditional dip netting-2

Sockeye salmon-5

Sockeye salmon-4

Wyoming toad-1

reptiles colorado

Biologists search for Fountain Darter-4

Bridge on the Columbia River

Northern Aplomado Falcon-1

Piping Plover chick

Spring-loving centaury

Tricolored heron and Wood stork

Pallid Sturgeon-1

underwater fish

Florida scrub-jay

Biologists release a Gulf sturgeon in river

Chinook salmon migrating-4

Hine's emerald dragonfly larvae in shallow water-3

Florida manatee-2

Biologists search for Fountain Darter-3

Mountain yellow-legged frog-1

wildlife animals

Close up of sutured surgery site on abdomen of lake sturgeon-2

Anglers with their fresh catch

Lake sturgeon tail with floy tag for identification

Captive Devils Hole pupfish-2

Measuring the ears of a sedated lynx

mammals monitor

Fisheries biologist releases Gulf sturgeon -1

Pallid Sturgeon-1

underwater fish

Biologists search for Fountain Darter-1

Descending deeper into the mine

Biologists search for Fountain Darter-1

Eastern red bat

Biologists search for Fountain Darter-1

Gila trout tank

Checking the mine wall for bats

Common tern-3

Florida manatee-1

underwater water

Trio of Tricolored bats

Distant view of a polar bear pair

marine mammal mammals

Captive Devils Hole pupfish-1

Pallid sturgeon-2

underwater fish

Black-footed Ferret-3

wildlife mammals

Biologists measure a Gulf sturgeon in river

Collecting measurements of a sedated lynx

mammals monitor

Captive Devils Hole pupfish-5

Anglers release a salmon

recreational fish

Mountain yellow-legged frog and eggs-2

amphibian mountain

Texas Blind Salamander-2

underwater animals

Angler on shore

Southern Sea Otter with gull

Florida manatee-1

Texas Indigo snake

Mountain yellow-legged frog-1

amphibian animals

Hatchling Gopher tortoise

reptiles animals

Ash Meadows gumplant-5

Devils Hole Pupfish in captivity-2

Gila trout-4

Pallid sturgeon

conservation fish

Ash Meadows ivesia

Mountain yellow-legged frog tadpole

underwater amphibian

Pallid Sturgeon-4

underwater fish

Fishing on the Columbia River-1

Wood stork in flight

Biologist reattaches fish tank to helicopter cable-1

partnership new mexico

Hatchling Gopher tortoise feeding

reptiles georgia

Okaloosa darter-2

Sockeye salmon-4

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