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Pacific walruses jousting with their tusks, Alaska
September 3, 2019

Close up of Pacific walruses jousting with their tusks, Chukchi Sea

Pacific walruses jousting with their tusks on the eastern shore of the Chukchi Sea (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

Pacific walruses jousting with their tusks, Chukchi Sea, Alaska
September 3, 2019

Pacific walruses jousting with their tusks, Chukchi Sea, Alaska

Pacific walruses jousting with their tusks on the eastern shore of the Chukchi Sea (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

Pacific walruses resting on beach, Chukchi Sea, Alaska
September 2, 2019

Pacific walruses resting on beach, Chukchi Sea, Alaska

Pacific walruses 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.)

Pacific walruses hauled out on beach, Alaska
September 2, 2019

Pacific walruses hauled out on beach, Chukchi Sea, Alaska

Pacific walruses hauled out 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.)

Solitary walrus calf with skin lesions resting on shore of the Chukchi Sea
September 2, 2019

Solitary walrus calf with skin lesions on beach, Chukchi Sea, Alaska

Solitary walrus calf with skin lesions resting on the eastern shore of the Chukchi Sea, Alaska (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

Group of Pacific walruses resting on beach, Alaska
September 2, 2019

Group of Pacific walruses resting on beach, Chukchi Sea, Alaska

Pacific walruses 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.)

Close up of solitary walrus calf with skin lesions, Alaska
September 2, 2019

Solitary walrus calf with skin lesions on shore, Chukchi Sea, Alaska

Solitary walrus calf with skin lesions resting on the eastern shore of the Chukchi Sea, Alaska (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

close up of Pacific walruses resting on the beach, Alaska
September 2, 2019

Pacific walruses resting on beach, Chukchi Sea

Pacific walruses 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.)

USGS wildlife biologist, piloting an unmanned aerial system (UAS)
August 30, 2019

USGS wildlife biologist piloting an UAS for use in walrus survey

USGS wildlife biologist, Anthony Fischbach, piloting an unmanned aerial system (UAS) for use in surveying walruses while they rest on shore.  The UAS is flown above 300 feet altitude such that it enables survey data collection with minimal risk to the walruses.  (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

USGS biologist piloting an UAS for Pacific walrus survey, Alaska
August 30, 2019

USGS biologist piloting an UAS for Pacific walrus survey, Alaska

USGS wildlife biologist, Anthony Fischbach, piloting an unmanned aerial system (UAS) for use in surveying walruses while they rest on shore.  The UAS is flown above 300 feet altitude such that it enables survey data collection with minimal risk to the walruses.  (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

Pacific walruses in water jousting with their tusks, Alaska
August 30, 2019

Pacific walruses in water jousting with their tusks, Alaska

Pacific walruses jousting with their tusks on the eastern shore of the Chukchi Sea, Alaska  (Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-7.)

Pacific walruses on beach and in water, Alaska
August 30, 2019

Pacific walruses on beach and in water, Chukchi Sea, Alaska

Pacific walruses 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.)