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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: 1458
Kittlitz’s Murrelet takes flight in Kenai Fjords National Park, Alaska
Kittlitz’s Murrelet takes flight
Kittlitz’s Murrelet takes flight
Kittlitz’s Murrelet takes flight

Kittlitz’s Murrelet takes flight at Kenai Fjords National Park, Alaska. The Kittlitz’s murrelet is a rare seabird that appears to be specialized for life in glacially influenced environments.

Kittlitz’s Murrelet takes flight at Kenai Fjords National Park, Alaska. The Kittlitz’s murrelet is a rare seabird that appears to be specialized for life in glacially influenced environments.

A glacier and mountains
Columbia Glacier in Prince William Sound, Alaska
Columbia Glacier in Prince William Sound, Alaska
Columbia Glacier in Prince William Sound, Alaska

Columbia Glacer in Prince William Sound, Alaska.

Spreading the wing of a Marbled godwit
Spreading the wing of a Marbled godwit
Spreading the wing of a Marbled godwit
Spreading the wing of a Marbled godwit

Bob Gill spreading the wing of a Marbled godwit on the Alaska Peninsula near Ugashik.

Bob Gill spreading the wing of a Marbled godwit on the Alaska Peninsula near Ugashik.

A shorebird walking through the grasses in southwestern Alaska
Marbled Godwit near Ugashik, Alaska
Marbled Godwit near Ugashik, Alaska
Marbled Godwit near Ugashik, Alaska

Marbled Godwit near Ugashik, Alaska.

Scientist pointing to hidden Marbled godwit nest
Scientist pointing to hidden Marbled godwit nest
Scientist pointing to hidden Marbled godwit nest
Scientist pointing to hidden Marbled godwit nest

Lee Tibbitts pointing to a Marbled godwit nest on the Alaska Peninsula near Ugashik.

Lee Tibbitts pointing to a Marbled godwit nest on the Alaska Peninsula near Ugashik.

Image: King Eider Tagging
King Eider Tagging
King Eider Tagging
King Eider Tagging

Graduate students hold a female king eider captured in June 2008 in northern Alaska. Researchers band the birds with a numbered metal band that allows individual identification. Female king eiders return to the same nesting area every year.

Graduate students hold a female king eider captured in June 2008 in northern Alaska. Researchers band the birds with a numbered metal band that allows individual identification. Female king eiders return to the same nesting area every year.

Image: King Eider Tagging
King Eider Tagging
King Eider Tagging
King Eider Tagging

Graduate students take morphological measurements of every bird to estimate whether size affects migration strategy. Researchers measure the culmen length of a male king eider.

Graduate students take morphological measurements of every bird to estimate whether size affects migration strategy. Researchers measure the culmen length of a male king eider.

Reflection on McKinley Lake near Cordova, Alaska
McKinley Lake near Cordova, Alaska
McKinley Lake near Cordova, Alaska
McKinley Lake near Cordova, Alaska

Scenic photo of McKinley Lake near Cordova, Alaska

Scenic photo of McKinley Lake near Cordova, Alaska

Small bird in a hand
Townsend's Warbler in Anchorage, Alaska
Townsend's Warbler in Anchorage, Alaska
Townsend's Warbler in Anchorage, Alaska

Townsend's Warbler held in the hand of a scientist in Anchorage, Alaska.  Townsend's Warbler is a landbird.

Townsend's Warbler held in the hand of a scientist in Anchorage, Alaska.  Townsend's Warbler is a landbird.

A view across the ice in the Arctic
A view across the ice in the Arctic
A view across the ice in the Arctic
A view across the ice in the Arctic

A view across the ice in the Arctic

Female and two cubs polar bears on the sea ice
Female and two cubs polar bears on the sea ice
Female and two cubs polar bears on the sea ice
Female and two cubs polar bears on the sea ice

Female and two young-of-the-year cubs polar bears on the sea ice 

Female and two young-of-the-year cubs polar bears on the sea ice 

A view from the inside of a polar bear den in the Chukchi Sea, Alaska
A view from the inside of a polar bear den in the Chukchi Sea, Alaska
A view from the inside of a polar bear den in the Chukchi Sea, Alaska
A view from the inside of a polar bear den in the Chukchi Sea, Alaska

A view from the inside of a polar bear den in the Chukchi Sea, Alaska

Holding a crow with a long bottom beak
Northwestern Crow with an elongated lower beak
Northwestern Crow with an elongated lower beak
Northwestern Crow with an elongated lower beak

Northwestern Crow with an elongated lower beak. It was captured as part of the beak deformity research project. Avian keratin disorder (AKD) is a disease characterized by debilitating beak overgrowth and other abnormalities of keratinized tissues. Affected birds have difficulty feeding and preening and may suffer high rates of mortality.

Northwestern Crow with an elongated lower beak. It was captured as part of the beak deformity research project. Avian keratin disorder (AKD) is a disease characterized by debilitating beak overgrowth and other abnormalities of keratinized tissues. Affected birds have difficulty feeding and preening and may suffer high rates of mortality.

A flock of wintering northern pintail ducks takes flight in Northern Honshu, Japan.
Flock of Northern Pintail Ducks
Flock of Northern Pintail Ducks
Flock of Northern Pintail Ducks

A flock of wintering northern pintail ducks takes flight in Northern Honshu, Japan. This photo was taken as part of a study to understand the migratory movements of this species and to assess if these birds could transmit highly pathogenic avian influenza from Asia to North America via Alaska.

A flock of wintering northern pintail ducks takes flight in Northern Honshu, Japan. This photo was taken as part of a study to understand the migratory movements of this species and to assess if these birds could transmit highly pathogenic avian influenza from Asia to North America via Alaska.

Duck with various brown colored feathers
Northern Pintail
Northern Pintail
Northern Pintail

The USGS conducts surveillance and research nationwide on wildlife diseases that could be harmful to domestic animals and humans.

The USGS conducts surveillance and research nationwide on wildlife diseases that could be harmful to domestic animals and humans.

Northern Pintail Duck on snow covered ground
Northern Pintail Duck male on snow covered ground
Northern Pintail Duck male on snow covered ground
Northern Pintail Duck male on snow covered ground

Northern Pintail Duck male on snow covered ground.

Northern Pintail Duck swimming
Northern Pintail Duck
Northern Pintail Duck
Northern Pintail Duck

Northern Pintail Duck swimming in a lake

Northern Pintail Duck swimming in a lake

Four scientists constructing a limnocorral on the bank of the McKinley Lake.  Shrubs and trees around the lake.
Scientists constructing a limnocorral at McKinley Lake
Scientists constructing a limnocorral at McKinley Lake
Scientists constructing a limnocorral at McKinley Lake

Four scientists constructing a limnocorral on the bank of the 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.

Four scientists constructing a limnocorral on the bank of the 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.

Image: Rock Sandpipers Roosting Along Shore of Cook Inlet
Rock Sandpipers Roosting Along Shore of Cook Inlet
Rock Sandpipers Roosting Along Shore of Cook Inlet
Rock Sandpipers Roosting Along Shore of Cook Inlet

A small flock of Rock Sandpipers roosts near the splash zone along the shore of upper Cook Inlet.  Numerous individuals exhibit  ice encasing their lower legs and adhering to their feathers.

A small flock of Rock Sandpipers roosts near the splash zone along the shore of upper Cook Inlet.  Numerous individuals exhibit  ice encasing their lower legs and adhering to their feathers.

Shorebirds huddled together on the icy mud
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK

Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK.

Image: Rock Sandpiper with Ice-encrusted Leg
Rock Sandpiper with Ice-encrusted Leg
Rock Sandpiper with Ice-encrusted Leg
Rock Sandpiper with Ice-encrusted Leg

Image of a Rock Sandpiper with its lower left leg encased in ice.

Image of a Rock Sandpiper with its lower left leg encased in ice.