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Browse images from a wide range of science topics covered by USGS.

Filter Total Items: 975
A male longspur songbird in short grass
Male Lapland Longspur in dwarf shrub mat habitat
Male Lapland Longspur in dwarf shrub mat habitat
Male Lapland Longspur in dwarf shrub mat habitat

Male Lapland Longspur in dwarf shrub mat habitat.  This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

Male Lapland Longspur in dwarf shrub mat habitat.  This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

A bucket of the trawl catch of forage fish
Catch of forage fish from a trawl in Cook Inlet, Alaska
Catch of forage fish from a trawl in Cook Inlet, Alaska
Catch of forage fish from a trawl in Cook Inlet, Alaska

Catch of forage fish from a trawl in Cook Inlet, Alaska. Trawling was part of an assessment of abundance, distribution and species composition of forage fish in marine waters in lower Cook Inlet.

Catch of forage fish from a trawl in Cook Inlet, Alaska. Trawling was part of an assessment of abundance, distribution and species composition of forage fish in marine waters in lower Cook Inlet.

A Horned Puffin flying over the water
A Horned Puffin flying
A Horned Puffin flying
Molybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark
Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surface

Molybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark

Copper River bridge
Copper River bridge
Copper River bridge
Horned Puffin, one of the species affected by a recent seabird die-off in the Pribilof Islands, AK
Horned Puffin, near Chisik Island in Lower Cook Inlet, Alaska
Horned Puffin, near Chisik Island in Lower Cook Inlet, Alaska
Horned Puffin, near Chisik Island in Lower Cook Inlet, Alaska

Horned Puffin, one of the species affected by a recent seabird die-off in the Pribilof Islands, AK. Near Chisik Island in Lower Cook Inlet, Alaska

Geologist collects sample with helicopter in background, Lake Clark
Geologist collects sample with helicopter in background, Lake Clark
Geologist collects sample with helicopter in background, Lake Clark
Geologist collects sample with helicopter in background, Lake Clark

Jamey Jones collects a sample of Talkeenta Formation volcaniclastic sandstone for detrital zircon geochronology. 

Geologists discuss big picture geology of Lake Clark National Park
Geologists discuss big picture geology of Lake Clark National Park
Geologists discuss big picture geology of Lake Clark National Park
Geologists discuss big picture geology of Lake Clark National Park

USGS research geologists Jamey Jones (left) and Erin Todd (right) discuss the "big picture" geology in their project area in and around Lake Clark National Park. Redoubt volcano in background left; baseball-sized cobbles on ground at researchers feet are pumice cobbles from the 2009(?) eruption of Redoubt volcano. 

USGS research geologists Jamey Jones (left) and Erin Todd (right) discuss the "big picture" geology in their project area in and around Lake Clark National Park. Redoubt volcano in background left; baseball-sized cobbles on ground at researchers feet are pumice cobbles from the 2009(?) eruption of Redoubt volcano. 

A small bird with distinctive orange-brown feathers around its neck and blue feathers on head, sitting on a small shrub
Male Bluethroat on the Seward Peninsula, Alaska
Male Bluethroat on the Seward Peninsula, Alaska
Male Bluethroat on the Seward Peninsula, Alaska

Male Bluethroat on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

Male Bluethroat on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

A scenic of Cabin Bay on Naked Island in Prince William Sound
Cabin Bay on Naked Island in Prince William Sound
Cabin Bay on Naked Island in Prince William Sound
Three Arctic Terns sitting on a log in the water in Prince William Sound
Three Arctic Terns sitting on a log in Prince William Sound
Three Arctic Terns sitting on a log in Prince William Sound
Schools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William Sound

Schools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound

Biologists catching forage fish with a cast net in Prince William Sound
Biologists with cast net caught forage fish in Prince William Sound
Biologists with cast net caught forage fish in Prince William Sound
Putting together a yellow polygonal floating structure with netting that will hang from the sides to do limnological studies
Constructing a limnocorral at McKinley Lake
Constructing a limnocorral at McKinley Lake
Constructing a limnocorral at McKinley Lake

Constructing a limnocorral at McKinley Lake for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems. 

Constructing a limnocorral at McKinley Lake for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems. 

Scientists moving a complete limnocorral to McKinley Lake
Deploying of a limnocorral at McKinley Lake
Deploying of a limnocorral at McKinley Lake
Deploying of a limnocorral at McKinley Lake

Deployment of a limnocorral at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.

Deployment of a limnocorral at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.

A completed limnocorral positioned over a bed of Elodea spp.
Deployment of a limnocorral in McKinley Lake
Deployment of a limnocorral in McKinley Lake
Deployment of a limnocorral in McKinley Lake

A completed limnocorral positioned over a bed of Elodea spp.. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.

A completed limnocorral positioned over a bed of Elodea spp.. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.

An owl perched on an old log
Short-eared Owl on the Seward Peninsula, Alaska
Short-eared Owl on the Seward Peninsula, Alaska
Short-eared Owl on the Seward Peninsula, Alaska

Short-eared Owl.  This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

Short-eared Owl.  This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.

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