Male Long-tailed Duck floating in the water in Northern Alaska.
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Male Long-tailed Duck floating in the water in Northern Alaska.
Greater Scaup on the Arctic Coastal Plain.
Greater Scaup on the Arctic Coastal Plain.
Tundra swans on Alaskan breeding grounds. Tundra Swans breed on the tundra of Northern latitudes.
Tundra swans on Alaskan breeding grounds. Tundra Swans breed on the tundra of Northern latitudes.
The fish weir is operated on the Pilgrim River by the Norton Sound Economic Development Corporation with assistance from the Alaska Department of Fish and Game.
The fish weir is operated on the Pilgrim River by the Norton Sound Economic Development Corporation with assistance from the Alaska Department of Fish and Game.
Chilkat River is one of the transboundary watersheds of Southeast Alaska.
Chilkat River is one of the transboundary watersheds of Southeast Alaska.
Barrow's Goldeneye breeding habitat consists of wooded lakes and ponds in northwestern North America, eastern Canada and Iceland. Females sometimes lay eggs in the nests of other cavity-nesting ducks and it's not uncommon for Barrow's and Common Goldeneyes to hybridize.
Barrow's Goldeneye breeding habitat consists of wooded lakes and ponds in northwestern North America, eastern Canada and Iceland. Females sometimes lay eggs in the nests of other cavity-nesting ducks and it's not uncommon for Barrow's and Common Goldeneyes to hybridize.
Common Redpolls in a spruce tree in Anchorage, Alaska
Common Redpolls in a spruce tree in Anchorage, AlaskaTwo Common Redpolls sitting in a snow covered spruce tree in Anchorage, Alaska
Common Redpolls in a spruce tree in Anchorage, Alaska
Common Redpolls in a spruce tree in Anchorage, AlaskaTwo Common Redpolls sitting in a snow covered spruce tree in Anchorage, Alaska
Black-capped Chickadee with a deformed beak that has grown long and curved down
Black-capped Chickadee with a deformed beak that has grown long and curved downA Black-capped Chickadee with a beak that has grown long and curved down. 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.
Black-capped Chickadee with a deformed beak that has grown long and curved down
Black-capped Chickadee with a deformed beak that has grown long and curved downA Black-capped Chickadee with a beak that has grown long and curved down. 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.
Blue-winged teal in Texas. Inset shows avian influenza virus
Blue-winged teal in Texas. Inset shows avian influenza virusBlue-winged teal in Texas. Inset shows avian influenza virus
Blue-winged teal in Texas. Inset shows avian influenza virus
Blue-winged teal in Texas. Inset shows avian influenza virusBlue-winged teal in Texas. Inset shows avian influenza virus
Alsek River is one of the transboundary watersheds of Southeast Alaska.
Alsek River is one of the transboundary watersheds of Southeast Alaska.
Red-breasted Merganser pair on the North Slope of Alaska
Red-breasted Merganser pair on the North Slope of AlaskaRed-breasted Merganser pair in North Slope of Alaska
Red-breasted Merganser pair on the North Slope of Alaska
Red-breasted Merganser pair on the North Slope of AlaskaRed-breasted Merganser pair in North Slope of Alaska
A field assistant pans for monazite and rare earth minerals in Wolf Creek, which cuts through the Melozitna granite. This area is part of the Bureau of Land Management's Central Yukon Planning Area, where USGS did a critical mineral assessment in 2015.
A field assistant pans for monazite and rare earth minerals in Wolf Creek, which cuts through the Melozitna granite. This area is part of the Bureau of Land Management's Central Yukon Planning Area, where USGS did a critical mineral assessment in 2015.
Exit Creek below the mountains
Exit Creek below the mountains
Setting nets on Whitefish Lake on Lake Clark Nat'l Park and Preserve
Setting nets on Whitefish Lake on Lake Clark Nat'l Park and PreserveRandy Brown and Dan Young are setting nets to catch whitefish on Whitefish Lake in the Lake Clark National Park and Preserve.
Setting nets on Whitefish Lake on Lake Clark Nat'l Park and Preserve
Setting nets on Whitefish Lake on Lake Clark Nat'l Park and PreserveRandy Brown and Dan Young are setting nets to catch whitefish on Whitefish Lake in the Lake Clark National Park and Preserve.
A small flock of Sabine's Gulls flying over the top of the water
A small flock of Sabine's Gulls flying over the top of the water
Tufted Puffins perching near their colony burrows on Bogoslof Island
Tufted Puffins perching near their colony burrows on Bogoslof IslandTufted Puffins perching near their burrows in a colony on Bogoslof Island (volcano) in the Aleutian Islands.
Tufted Puffins perching near their colony burrows on Bogoslof Island
Tufted Puffins perching near their colony burrows on Bogoslof IslandTufted Puffins perching near their burrows in a colony on Bogoslof Island (volcano) in the Aleutian Islands.
Deployment of a gravity corer aboard USCGC Healy during an expedition to the Chukchi Sea.
Deployment of a gravity corer aboard USCGC Healy during an expedition to the Chukchi Sea.
USGS team looking at a tsunami-rafted log above Stardust Bay, Alaska
USGS team looking at a tsunami-rafted log above Stardust Bay, AlaskaUSGS Alaska Earthquake Hazards research team investigates a tsunami-rafted drift log high above sea level at Stardust Bay, Sedanka Island, Alaska.
USGS team looking at a tsunami-rafted log above Stardust Bay, Alaska
USGS team looking at a tsunami-rafted log above Stardust Bay, AlaskaUSGS Alaska Earthquake Hazards research team investigates a tsunami-rafted drift log high above sea level at Stardust Bay, Sedanka Island, Alaska.
A degrading trough network on the Arctic Coastal Plain
A degrading trough network on the Arctic Coastal PlainA degrading trough network on the Arctic Coastal Plain.
A degrading trough network on the Arctic Coastal Plain
A degrading trough network on the Arctic Coastal PlainA degrading trough network on the Arctic Coastal Plain.
Young Northern Shrike captured at a Seward Peninsula banding station
Young Northern Shrike captured at a Seward Peninsula banding stationA young Northern Shrike captured at a banding station on the Seward Peninsula. This photo was taken as part Phase 1 of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Young Northern Shrike captured at a Seward Peninsula banding station
Young Northern Shrike captured at a Seward Peninsula banding stationA young Northern Shrike captured at a banding station on the Seward Peninsula. This photo was taken as part Phase 1 of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.