34,457 Free Photos of Environment

aquatic environment fish water endangered and/or threatened species animals wildlife nature rivers and streams fish hatcheries underwater

Biologists search for Fountain Darter-4

Eastern tiger salamander larvae-3

Biologists release a Gulf sturgeon in river

Marine Mammal Stranding Course at NCTC

Channel catfish

Climate impacts to Alligator River National Wildlife Refuge-2

climate change water

Shorthead redhorse sucker-1

Biologists measure a Gulf sturgeon in river

Single isolated leaf on a white background

Flower Rain

Sandhill Crane runs through a field

Biology fieldwork-5

Potomac sculpin-1

Aerial of Pelican Island National Wildlife Refuge

landscape water

Frigatebird on Laysan Island-1

Shorthead redhorse sucker-1

Texas Blind Salamander-3

underwater animals

Rainbow trout swim in Meadow Creek-2

underwater fish

Biologists search for Fountain Darter-1

scene of nature

Biologists search for Fountain Darter-1

Biologists search for Fountain Darter-1

Male bowfin hides in vegetation-3

Convict tangs

Florida manatee-1

underwater water

Taking a photo at Valle de Oro NWR

Florida manatee-2

Biologists search for Fountain Darter-3

Mountain yellow-legged frog-1

wildlife animals

White tubercled crayfish

Texas Blind Salamander-2

underwater animals

Brook Trout juvenile-1

Mountain yellow-legged frog-1

amphibian animals

Eastern tiger salamander larvae-1

Guangxi Province in southeast China.

background maps

Service biologist displays a Northern pike-4

Mountain yellow-legged frog and eggs-2

amphibian mountain

Texas Blind Salamander-2

underwater animals

Emerson Parcel Tidal Marsh in California

landscape water

Grass Carp Adult-1

Okaloosa darter-5

Artificial Owl Burrows Installed in Las Vegas-5

Florida manatee-1

Okaloosa darter-2

Green Heron

Mountain yellow-legged frog tadpole

underwater amphibian

Sockeye salmon-4

Backcountry camping

landscape grass

Iceberg Ocean

landscape science

Clouds Mountain

landscape nature

Biologists search for Fountain Darter-5

Brook Trout juvenile-2

Brook Trout juvenile-2

Woodhouse toad-1

amphibian wildlife

Single isolated leaf on a white background

Forest Trees

background landscape

Puffy Clouds

background nature

Iceberg Ocean

landscape science

forest

landscape scenes

Iremel

forest background

Biologists search for Fountain Darter-1

Clouds Mountain

landscape nature

Plant Growth

Iceberg Ocean

landscape science

Relaxing Shoes

Ice Nature

background tree

Clouds Nature

landscape nature

Grass Dew

flowers

Torrent sucker

Woodhouse toad

wildlife animals

Caddis fly case

FWS employee on lower Colorado River

Striped mullet school swims over vegetation

Sunset at Johnston Atoll NWR

Dragonfly flitting on a small branch

The water feels good!

Adult black skimmer with chick-1

Artificial Owl Burrows Installed in Las Vegas-2

Biologists with Gulf sturgeon in river

Biologists walking at Gavins Point National Fish Hatchery

Florida manatee-1

Biologists process a Gulf sturgeon in river

Biologists capture a Gulf sturgeon in river

Aerial view of waterways

landscape grass

Mountain yellow-legged frog-4

wildlife animals

Aerial shot of the Braided River outwash plain

landscape nature

Artificial Owl Burrows Installed in Las Vegas-2

Fish-food vending machine at Gavins Point National Fish Hatchery

Bald cypress scenics in spring fed lake-1

Woodlands in the fall

Texas Blind Salamander-2

underwater animals

Artificial Owl Burrows Installed in Las Vegas-1

Hellbender-4

Close-up of dead Brook trout

Lark Sparrow sits on a bush in a field

Biologists search for Fountain Darter-3

Erosion control

vegetables ship

Glacier National Park in Montana

background animals

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