3,856 Free Photos of Threatening

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

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

Okaloosa darter-4

Mississippi Sandhill Crane-1

Devils Hole Pupfish in captivity-1

Fisheries biologists measure Gulf sturgeon-4

Northern Aplomado Falcon-1

Sockeye salmon-1

Red wolf-1

wildlife animals

Release plume

Roseate tern nest hidden in the plants

Green sea turtles

reptiles animals

Angler on shore

Southern Sea Otter with gull

Texas Blind Salamander-2

underwater animals

Okaloosa darter-5

Biologist reattaches fish tank to helicopter cable-1

partnership new mexico

Pallid sturgeon-1

Gila trout-4

Pallid sturgeon

conservation fish

Sockeye salmon-4

Whooping cranes at Quivira National Wildilfe Refuge

Red wolf-1

wildlife animals

Dolly Varden-1

Captive Devils Hole pupfish-5

Fishing on the Columbia River-1

Wood stork in flight

Biologist reattaches fish tank to helicopter cable-1

partnership new mexico

Gila Trout Release

new mexico fish

Anglers release a salmon

recreational fish

Mountain yellow-legged frog and eggs-2

amphibian mountain

Florida manatee-1

Texas Indigo snake

Mountain yellow-legged frog-1

amphibian animals

Hatchling Gopher tortoise

reptiles animals

Ash Meadows ivesia

Mountain yellow-legged frog tadpole

underwater amphibian

Pallid Sturgeon-4

underwater fish

Ash Meadows gumplant-5

Devils Hole Pupfish in captivity-2

Hatchling Gopher tortoise feeding

reptiles georgia

Okaloosa darter-2

Fishing on the Columbia River

Biologists search for Fountain Darter-5

Biologist transfers adult Gila trout to buckets for distribution

partnership new mexico

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

Anglers with their fresh catch

Northeastern beach tiger beetles

arthropod animals

Hatchling Gopher tortoise sleeping

reptiles georgia

Large ghost orchid

Pallid Sturgeon-1

underwater fish

Biologists search for Fountain Darter-1

Biologist stocks Gila trout in Mineral Creek-3

partnership new mexico

Devils Hole pupfish-1

Lake sturgeon tail with floy tag for identification

Captive Devils Hole pupfish-2

Measuring the ears of a sedated lynx

mammals monitor

Red wolf-3

wildlife mammals

Texas Blind Salamander-3

underwater animals

Wood storks

Traditional dip netting-2

Sockeye salmon-5

Sockeye salmon-4

Wyoming toad-1

reptiles colorado

Biologists search for Fountain Darter-4

Green Sea Turtle hatchling

wildlife animals

Pallid Sturgeon-1

underwater fish

Devils Hole Pupfish in captivity

Florida scrub-jay

Biologists release a Gulf sturgeon in river

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

Biologists measure a Gulf sturgeon in river

Collecting measurements of a sedated lynx

mammals monitor

Biologist stocks Gila trout in Mineral Creek-4

partnership new mexico

Black-footed Ferret-3

wildlife mammals

Delmarva Peninsula fox squirrel-2

animals mammals

Chinook salmon migrating-4

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

Pallid sturgeon-2

underwater fish

Biologists search for Fountain Darter-1

Eastern red bat

Descending deeper into the mine

Hine's emerald dragonfly larvae in shallow water-3

Florida manatee-2

1101 - 1200 of 3,856 Next page

/ 39