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Short-tailed Shearwater carcasses on beach in Bristol Bay, Alaska
August 26, 2019

Short-tailed Shearwater carcasses and debris on beach in Alaska

Short-tailed Shearwater die-off in the Bering Sea. Emaciated Short-tailed Shearwater carcasses littered the beaches of Bristol Bay during the summer of 2019

Young male Pacific walrus on beach along the Chukchi Sea
August 21, 2019

Young male Pacific walrus on beach of eastern shore of the Chukchi Sea

A young male Pacific walrus moving up the beach of the eastern shore of the Chukchi Sea (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

A young male Pacific walrus resting along shoreline of the Chukchi Sea
August 21, 2019

Young male Pacific walrus resting on beach, Chukchi Sea, Alaska

A young male Pacific walrus resting on the beach of the eastern shore of the Chukchi Sea (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

adult female Pacific walrus resting on the beach, Chukchi Sea, Alaska
August 21, 2019

Adult female Pacific walrus resting on beach, Chukchi Sea, Alaska

An adult female Pacific walrus resting on the beach of the eastern shore of the Chukchi Sea (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

Measuring temperature and dissolved oxygen in impounded water of beaver dam on the Wrench Creek, Noatak National Preserve
August 17, 2019

Measuring temperature and dissolved oxygen in impounded water

Measuring temperature and dissolved oxygen in impounded water of beaver dam on the Wrench Creek, Noatak National Preserve.

 

Arctic grayling (Thymallus arcticus) and Dolly varden (Salvelinus malma)  from impounded water of beaver dam on the Wrench Creek
August 17, 2019

Arctic grayling and Dolly varden from impounded water of beaver dam

Arctic grayling (Thymallus arcticus) and Dolly varden (Salvelinus malma)  from impounded water of beaver dam on the Wrench Creek, Noatak National Preserve. 

Gnawed tree from beaver activity on tributary of the Agashashok River, Noatak National Preserve
August 16, 2019

Gnawed tree from beaver activity on tributary of the Agashashok River

Gnawed tree from beaver activity on tributary of the Agashashok River, Noatak National Preserve

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument
August 15, 2019

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument

Beaver dam crossing mainstem of Rabbit Creek near the headwaters, Cape Krusenstern National Monument
August 15, 2019

Beaver dam crossing mainstem of Rabbit Creek near the headwaters

Beaver dam crossing mainstem of Rabbit Creek near the headwaters, Cape Krusenstern National Monument

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument
August 14, 2019

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument

Beaver swimming near dam on Rabbit Creek, Cape Krusenstern National Monument
August 14, 2019

Beaver swimming near dam on Rabbit Creek, Cape Krusenstern

Beaver swimming near dam on Rabbit Creek, Cape Krusenstern National Monument

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument
August 14, 2019

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument

Beaver dams on Rabbit Creek, Cape Krusenstern National Monument