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Images

Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.

Filter Total Items: 1616
Three scientists sorting through samples for invertebrates
Sorting aquatic macroinvertebrates in the field
Sorting aquatic macroinvertebrates in the field
Sorting aquatic macroinvertebrates in the field

Three researchers from the University of Waterloo hunt for aquatic insects among the detritus scooped from the lake’s nearshore zone.

Three researchers from the University of Waterloo hunt for aquatic insects among the detritus scooped from the lake’s nearshore zone.

Scientists on either side of a yellow octangular yellow limnocorral with wires on top. Lifting on its side to assemble.
Scientists assemble limnocorral
Scientists assemble limnocorral
Scientists assemble limnocorral

Scientists assemble 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. Disclaimer statement: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Scientists assemble 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. Disclaimer statement: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Fyke net contents from a lake near Atqasuk, Alaska mainly sticklebacks
Fyke net contents from a lake near Atqasuk, Alaska
Fyke net contents from a lake near Atqasuk, Alaska
Fyke net contents from a lake near Atqasuk, Alaska

Contents of the fyke net that was set in the lake near Atqasuk in 2016.  All sticklebacks.

Four birds standing on a ledge of rock
Common Murres stand at the edge of their colony on Gull Island
Common Murres stand at the edge of their colony on Gull Island
Common Murres stand at the edge of their colony on Gull Island

Common Murres stand at the edge of their colony on Gull Island, Cook Inlet on July 23, 2016.

Jonathan Felis sets up a time-lapse camera on the top of Gull Island to monitor breeding Common Murres.
Setting up a time-lapse camera, Alaska
Setting up a time-lapse camera, Alaska
Setting up a time-lapse camera, Alaska

Jonathan Felis sets up a time-lapse camera on the top of Gull Island to monitor the reproductive success of breeding Common Murres. Gull Island is located in Kachemak Bay, Alaska.

Jonathan Felis sets up a time-lapse camera on the top of Gull Island to monitor the reproductive success of breeding Common Murres. Gull Island is located in Kachemak Bay, Alaska.

Common Murres in the water
Common Murres in the water
Common Murres in the water
Common Murres in the water

Large amount of Common Murres in the water 

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
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

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
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