A moose on the shore of the Selawik River. This moose was present during the Sheefish sediment impact study field work.
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A close up of a moose on the Selawik River, Alaska
A moose on the shore of the Selawik River. This moose was present during the Sheefish sediment impact study field work.
Caribou crossing the Selawik River, Alaska
Caribou crossing the Selawik River, Alaska
Caribou crossing the Selawik River, Alaska
Aerial of Beaver Creek, 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.
Bar-tailed Godwit flock on Cape Avinof, western 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.
Barrow, Alaska
This is a view of Barrow, Alaska from a helicopter.
This is a view of Barrow, Alaska from a helicopter.
Barrow, Alaska
This is a view of Barrow, Alaska from a helicopter.
This is a view of Barrow, Alaska from a helicopter.
Spawing sockeye salmon in a Matanuska River side channel, Alaska
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 in Kinzarof Lagoon
Eelgrass (Zolstera marina) in Kinzarof Lagoon
Eelgrass (Zolstera marina) in Kinzarof Lagoon
A bridge over the Matanuska River
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 Glacier in Prince William Sound, Alaska
Columbia Glacer in Prince William Sound, Alaska.
Columbia Glacer in Prince William Sound, Alaska.
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.
Marbled Godwit near Ugashik, Alaska
Marbled Godwit near Ugashik, Alaska.
Marbled Godwit near Ugashik, Alaska.
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.
McKinley Lake near Cordova, Alaska
Scenic photo of McKinley Lake near Cordova, Alaska
Scenic photo of McKinley Lake near Cordova, 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
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
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.
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
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.