Images

Time-lapse camera on Kasatochi volcano one year after the 2008 eruption.

Gullies on the slopes of Kasatochi Volcano seen from the water

View of Kasatochi from the water in 2009.

A soil profile buried under ash from the 2008 eruption of Kasatochi volcano

Slopes of Kasatochi Volcano from the water in 2009.

R/V Tiglax offshore of Kasatochi Volcano with flock of auklets in the air.

A Spectacled Eider carrying an intracoelomic radio transmitter near the Colville River. To track the movements of Spectacled Eider and other waterfowl for extended periods of time, intracoelomic radio transmitters were surgically implanted in birds during the late 90s through the early 2010s.

USGS wildlife biologist Lee Tibbitts and veterinarian Dan Mulcahy surgically implant a battery-powered satellite transmitter in a Whimbrel Numenius phaeopus, USFWS Kanuti National Wildlife Refuge, Alaska

Kanuti National Wildlife Refuge Biologist Chris Harwood releases a Whimbrel Numenius phaeopus following surgical procedure to implant a battery-powered satellite transmitter, Kanuti National Wildlife Refuge, Alaska

Whimbrel nest in the Kanuti National Wildlife Refuge.

USGS Alaska Science Center Juneau Water field office

A view of a pressure ridge in the sea ice in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.

An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.

An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.

Northwestern Crow with deformed top beak in Auke Bay, Juneau, Alaska. 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 large male polar bear weighing 1,265 pounds. Photo taken while conducting field work in the Chukchi Sea, Alaska. 

Polar bear still hunting at a seal breathing hole

An adult male polar bear still-hunting at a seal hole on the sea ice of the southern Beaufort Sea.

Spectacled eiders wintering in open areas of the pack ice in the northern Bering Sea, near St. Lawrence Island

Spectacled eiders wintering in open areas of the pack ice in the northern Bering Sea, near St. Lawrence Island.

Black-capped Chickadee with a long down-curved elongated top beak. 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.