35,933 Free Images of Environment

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

Dragonfly flitting on a small branch

Biologists release a Gulf sturgeon in river

Sockeye salmon-4

Waterfall Forest

Relaxing Shoes

Iceberg Ocean

landscape science

Clouds Mountain

landscape nature

Marine Mammal Stranding Course at NCTC

Woodhouse toad

wildlife animals

Fish-food vending machine at Gavins Point National Fish Hatchery

Biology fieldwork-5

Grass Carp Adult-1

Artificial Owl Burrows Installed in Las Vegas-2

Biologists search for Fountain Darter-1

Artificial Owl Burrows Installed in Las Vegas-5

Florida manatee-2

Biologists search for Fountain Darter-3

White tubercled crayfish

Hellbender-4

Texas Blind Salamander-2

underwater animals

Biologists search for Fountain Darter-1

Leaves Rain

vegetables tree

Forest Trees

background landscape

Grass

background nature

scene of nature

Woodlands in the fall

forest background

Bokeh Lights

background nature

Forest Trees

Grass Dew

Sandhill Crane runs through a field

Ecology Earth Symbol in Hands

Maple Tree

Crow eat garbage

River Flowing through the Mountains

landscape hillside

Torrent sucker

FWS employee on lower Colorado River

Texas Blind Salamander-3

underwater animals

Potomac sculpin-1

Aerial shot of the Braided River outwash plain

landscape nature

Corn Creek Springs on the Desert National Wildlife Refuge

vegetables landscape

Sockeye salmon-5

Artificial Owl Burrows Installed in Las Vegas-2

Backcountry camping

landscape grass

Aerial view of waterways

landscape grass

Woodhouse toad-1

amphibian wildlife

Shorthead redhorse sucker-1

Artificial Owl Burrows Installed in Las Vegas-1

Convict tangs

Taking a photo at Valle de Oro NWR

Biologists search for Fountain Darter-3

Biologists search for Fountain Darter-1

Ice Nature

background tree

Flower Rain

Male bowfin hides in vegetation-3

Guangxi Province in southeast China.

background maps

Bald cypress scenics in spring fed lake-1

forest

landscape scenes

Channel catfish

Ice Rocks

background landscape

Tree Roots

Iceberg Ocean

landscape science

Clouds Nature

landscape nature

Iceberg Ocean

landscape science

Clouds Mountain

landscape nature

Aerial of Pelican Island National Wildlife Refuge

landscape water

Puffy Clouds

background nature

Brook Trout juvenile-2

Mountain yellow-legged frog and eggs-2

amphibian mountain

Emerson Parcel Tidal Marsh in California

landscape water

Biologists search for Fountain Darter-1

Texas Blind Salamander-2

underwater animals

Mountain yellow-legged frog-4

wildlife animals

Rainbow trout swim in Meadow Creek-2

underwater fish

Striped mullet school swims over vegetation

Biologists search for Fountain Darter-5

Sunset at Johnston Atoll NWR

Brook Trout juvenile-2

Texas Blind Salamander-2

underwater animals

Okaloosa darter-5

Frigatebird on Laysan Island-1

Lark Sparrow sits on a bush in a field

The water feels good!

Adult black skimmer with chick-1

Biologists measure a Gulf sturgeon in river

Biologists process a Gulf sturgeon in river

Torrent sucker-2

Okaloosa darter-2

Caddis fly case

Mountain yellow-legged frog-1

wildlife animals

Climate impacts to Alligator River National Wildlife Refuge-2

climate change water

Florida manatee-1

Eastern tiger salamander larvae-1

Sockeye salmon-4

Biologists with Gulf sturgeon in river

Single isolated leaf on a white background

Single isolated leaf on a white background

Plant Growth

flowers

Service biologist displays a Northern pike-4

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