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.
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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.
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 male on snow covered ground.
Northern Pintail Duck male on snow covered ground.
Northern Pintail Duck swimming in a lake
Northern Pintail Duck swimming in a lake
Gas Hydrate Drill Rig at the Mt. Elbert Test Site in Alaska
Gas Hydrate Drill Rig at the Mt. Elbert Test Site in AlaskaA drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
Gas Hydrate Drill Rig at the Mt. Elbert Test Site in Alaska
Gas Hydrate Drill Rig at the Mt. Elbert Test Site in AlaskaA drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AK
Rock Sandpipers huddle together on the icy mudflats near Kasilof, AKRock 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, AKRock Sandpipers huddle together on the icy mudflats near Kasilof, AK.
Rock Sandpiper flock on the mudlfats near Kasilof, AK in the winter
Rock Sandpiper flock on the mudlfats near Kasilof, AK in the winterRock Sandpiper flock on the mudlfats near Kasilof, AK in the winter.
Rock Sandpiper flock on the mudlfats near Kasilof, AK in the winter
Rock Sandpiper flock on the mudlfats near Kasilof, AK in the winterRock Sandpiper flock on the mudlfats near Kasilof, AK in the winter.
Rock Sandpipers huddle together on the ice near Kasilof, Alaska
Rock Sandpipers huddle together on the ice near Kasilof, AlaskaRock Sandpipers huddle together on the ice near Kasilof, Alaska.
Rock Sandpipers huddle together on the ice near Kasilof, Alaska
Rock Sandpipers huddle together on the ice near Kasilof, AlaskaRock Sandpipers huddle together on the ice near Kasilof, Alaska.
Three caribou standing in the tundra. These caribou are part of the Porcupine caribou herd.
Three caribou standing in the tundra. These caribou are part of the Porcupine caribou herd.
Eroding bluffs along Alaska’s Arctic coast. Note light permafrost in bluff face, below top few feet of soil and vegetation.
Eroding bluffs along Alaska’s Arctic coast. Note light permafrost in bluff face, below top few feet of soil and vegetation.
This nearly century-old whaling boat rests along the Beaufort Sea coast near Lonely, Alaska in July, 2007. The boat was washed away to sea just a few months later.
This nearly century-old whaling boat rests along the Beaufort Sea coast near Lonely, Alaska in July, 2007. The boat was washed away to sea just a few months later.
Trans-Alaska Pipeline, northern Brooks Range, Alaska. Rocks in the background produce oil on the North Slope.
Trans-Alaska Pipeline, northern Brooks Range, Alaska. Rocks in the background produce oil on the North Slope.
Aerial view of the Pilgrim River looking towards the mountains.
Aerial view of the Pilgrim River looking towards the mountains.
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River field camp
Aerial view of the Pilgrim River field camp
A morning fog on the Pilgrim River. The camp is from the thermal ecology of sockeye salmon project.
A morning fog on the Pilgrim River. The camp is from the thermal ecology of sockeye salmon project.
Checking a fyke net near the shore of the Pilgrim River
Checking a fyke net near the shore of the Pilgrim RiverBiologists are checking a fyke net in the Pilgrim River for juvenile sockeye salmon to tag with archival tags. Unfortunately none were large enough for tagging.
Checking a fyke net near the shore of the Pilgrim River
Checking a fyke net near the shore of the Pilgrim RiverBiologists are checking a fyke net in the Pilgrim River for juvenile sockeye salmon to tag with archival tags. Unfortunately none were large enough for tagging.
Bar-tailed Godwit with a satellite transmitter and tag Z0
Bar-tailed Godwit with a satellite transmitter and tag Z0Bar-tailed godwit "Z0" instrumented with an implanted Argos satellite transmitter (note dorsally exposed antenna) to facilitate aerodynamics during the species non-stop flights across the Pacific Ocean.
Bar-tailed Godwit with a satellite transmitter and tag Z0
Bar-tailed Godwit with a satellite transmitter and tag Z0Bar-tailed godwit "Z0" instrumented with an implanted Argos satellite transmitter (note dorsally exposed antenna) to facilitate aerodynamics during the species non-stop flights across the Pacific Ocean.
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Juvenile salmon trapping on the Nome River, Alaska
Juvenile salmon trapping on the Nome River, AlaskaBiologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Juvenile salmon trapping on the Nome River, Alaska
Juvenile salmon trapping on the Nome River, AlaskaBiologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.