A close up of a moose on the Selawik River, Alaska
A close up of a moose on the Selawik River, AlaskaA moose on the shore of the Selawik River. This moose was present during the Sheefish sediment impact study field work.
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Browse images from a wide range of science topics covered by USGS.
A moose on the shore of the Selawik River. This moose was present during the Sheefish sediment impact study field work.
A moose on the shore of the Selawik River. This moose was present during the Sheefish sediment impact study field work.
Scenic of the Selawik River
Scenic of the Selawik River
Biologists clip the tip of one of the ventral fins of a sheefish that is in a cradle in the Selawik River, Alaska. This study was collecting genetic samples to help find impacts of fine sediment on sheefish. The results were no impacts due to low amounts of sediments present.
Biologists clip the tip of one of the ventral fins of a sheefish that is in a cradle in the Selawik River, Alaska. This study was collecting genetic samples to help find impacts of fine sediment on sheefish. The results were no impacts due to low amounts of sediments present.
John Terenzi recording data on Black-capped Chickadee.
John Terenzi recording data on Black-capped Chickadee.
Caribou crossing the Selawik River, Alaska
Bar-tailed Godwit flock flying over the mudflats on Cape Avinof, western Alaska.
Bar-tailed Godwit flock flying over the mudflats on Cape Avinof, western Alaska.
Aquatic ecosystems make a difference in the carbon cycle. The location in this photo is located near Beaver, Alaska approximately 100 miles north of Fairbanks.
Aquatic ecosystems make a difference in the carbon cycle. The location in this photo is located near Beaver, Alaska approximately 100 miles north of Fairbanks.
This is a view of Barrow, Alaska from a helicopter.
This is a view of Barrow, Alaska from a helicopter.
This is a view of Barrow, Alaska from a helicopter.
This is a view of Barrow, Alaska from a helicopter.
A spawining sockeye salmon with it's back out of the water in a side channel of the Matanuska River.
A spawining sockeye salmon with it's back out of the water in a side channel of the Matanuska River.
Eelgrass (Zolstera marina) in Kinzarof Lagoon
Eelgrass (Zolstera marina) in Kinzarof Lagoon
Scenic view of the Matanuska River with a bridge spanning across. This photo was part of an erosion project on the river.
Scenic view of the Matanuska River with a bridge spanning across. This photo was part of an erosion project on the river.
Columbia Glacer in Prince William Sound, Alaska.
Columbia Glacer in Prince William Sound, Alaska.
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.
Marbled Godwit near Ugashik, Alaska.
Marbled Godwit near Ugashik, Alaska.
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.
Scenic photo of McKinley Lake near Cordova, Alaska
Scenic photo of McKinley Lake near Cordova, 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
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