34,458 Free Photos of Environment

aquatic environment fish water endangered and/or threatened species nature animals wildlife wildlife refuge landscape rivers and streams

Mountain yellow-legged frog tadpole

underwater amphibian

Sockeye salmon-4

Backcountry camping

landscape grass

Okaloosa darter-2

Green Heron

Biologists search for Fountain Darter-5

forest

landscape scenes

Single isolated leaf on a white background

Iceberg Ocean

landscape science

Clouds Mountain

landscape nature

Okaloosa darter-5

Puffy Clouds

background nature

Iceberg Ocean

landscape science

Brook Trout juvenile-2

Forest Trees

background landscape

Guangxi Province in southeast China.

background maps

flowers

Sunset at Johnston Atoll NWR

Dragonfly flitting on a small branch

Iremel

Biologists search for Fountain Darter-3

Biologists capture a Gulf sturgeon in river

Artificial Owl Burrows Installed in Las Vegas-2

Biologists with Gulf sturgeon in river

Striped mullet school swims over vegetation

Aerial shot of the Braided River outwash plain

landscape nature

Artificial Owl Burrows Installed in Las Vegas-2

Clouds Mountain

landscape nature

Plant Growth

Iceberg Ocean

landscape science

Fish-food vending machine at Gavins Point National Fish Hatchery

Bald cypress scenics in spring fed lake-1

Woodlands in the fall

Clouds Nature

landscape nature

Relaxing Shoes

Ice Nature

background tree

Torrent sucker

Woodhouse toad

wildlife animals

Caddis fly case

FWS employee on lower Colorado River

Biologists walking at Gavins Point National Fish Hatchery

Florida manatee-1

Biologists process a Gulf sturgeon in river

The water feels good!

Adult black skimmer with chick-1

Texas Blind Salamander-2

underwater animals

Artificial Owl Burrows Installed in Las Vegas-1

Hellbender-4

Close-up of dead Brook trout

Aerial view of waterways

landscape grass

Biologists search for Fountain Darter-1

Lark Sparrow sits on a bush in a field

Mountain yellow-legged frog-4

wildlife animals

Grass Dew

forest background

Texas Blind Salamander-2

underwater animals

Leaves Rain

vegetables tree

Waterfall Forest

Forest Trees

Traditional dip netting-2

Corn Creek Springs on the Desert National Wildlife Refuge

vegetables landscape

Sockeye salmon-5

Sockeye salmon-4

Torrent sucker-2

Fun in a Kayak!

Artificial Owl Burrows Installed in Las Vegas-1

Biologists search for Fountain Darter-4

Eastern tiger salamander larvae-3

Biologists release a Gulf sturgeon in river

Climate impacts to Alligator River National Wildlife Refuge-2

climate change water

Shorthead redhorse sucker-1

Biologists measure a Gulf sturgeon in river

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

Biologists search for Fountain Darter-1

Marine Mammal Stranding Course at NCTC

Channel catfish

Florida manatee-2

Biologists search for Fountain Darter-3

Mountain yellow-legged frog-1

wildlife animals

White tubercled crayfish

Flower Rain

Bokeh Lights

background nature

Sandhill Crane runs through a field

Biology fieldwork-5

Potomac sculpin-1

Aerial of Pelican Island National Wildlife Refuge

landscape water

Texas Blind Salamander-3

underwater animals

Rainbow trout swim in Meadow Creek-2

underwater fish

Biologists search for Fountain Darter-1

Frigatebird on Laysan Island-1

Shorthead redhorse sucker-1

scene of nature

Single isolated leaf on a white background

Ice Rocks

background landscape

Grass

background nature

Glacier National Park in Montana

background landscape

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