Images

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

Large polar bear

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.

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

Using remote sensing through the ice to determine how much water was in the Nome River in the winter. Some spots were open to the air.

Using remote sensing through the ice to determine how much water was in the Nome River in the winter.

Using remote sensing through the ice to determine how much water was in the Nome River in the winter.

Black-capped Chickadee with an elongated and decurved maxilla.

Water sampling on the Tanana River.  Notice the poles of the piezometers installed in the river. This project was to see chum salmon spawning habitat in the winter.

Biologist standing in the Tanana River sampling the open water. This project was to see chum salmon spawning habitat in the winter.

Biologists looking from a bluff over the Tanana River in November 2008. This project was to see chum salmon spawning habitat in the winter.

Chum salmon eggs in the gravel in the Tanana River. This project was to see chum salmon spawning habitat in the winter.

Biologist reading water meter in the Tanana River in November, 2008. This project was to see chum salmon spawning habitat in the winter.

Biologist standing next to the shore getting ready to sample water in the Tanana River. This project was to see chum salmon spawning habitat in the winter.

A helicopter used to transport personnel to the Tanana River to winter sample chum salmon spawning habitat.