Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
Images
Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
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Adult male polar bear walking
Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
1,500 walruses resting on shore
More than 1,500 walruses resting on shore at Cape Grieg in southeastern Bristol Bay.
More than 1,500 walruses resting on shore at Cape Grieg in southeastern Bristol Bay.
Boreal Chickadee with a mildly deformed beak
A Boreal Chickadee with a mildly deformed beak.
A Boreal Chickadee with a mildly deformed beak.
Long Distance Swimmer
Some Polar bears in the Arctic can swim in excess of 200 miles.
Some Polar bears in the Arctic can swim in excess of 200 miles.
A Male Spectacled Eider in Alaska
A male spectacled eider following implantation of a satellite transmitter in the Colville River delta in June 2009. After breeding numbers of spectacled eiders, a large sea duck, declined by 96 percent at a primary breeding area in Alaska, the species was listed as threatened.
A male spectacled eider following implantation of a satellite transmitter in the Colville River delta in June 2009. After breeding numbers of spectacled eiders, a large sea duck, declined by 96 percent at a primary breeding area in Alaska, the species was listed as threatened.
Banding Together to Learn and Preserve
2004 Chevak banding crew with four goose species. From left to right: Black Brandt, Emperor Goose, White-fronted Goose, and Cackling Goose.
2004 Chevak banding crew with four goose species. From left to right: Black Brandt, Emperor Goose, White-fronted Goose, and Cackling Goose.
Two Swimming Polar Bears
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
Swimming Polar Bear
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
An Adult Polar Bear and Her Two Cubs
An adult female polar bear and her two cubs travel across the sea ice of the Arctic Ocean north of the Alaska coast.
An adult female polar bear and her two cubs travel across the sea ice of the Arctic Ocean north of the Alaska coast.
Severely emaciated Common Murre carcass
A severely emaciated Common Murre carcass collected to determine the cause of death following a massive die-off of murres in 2015/2016. Prince William Sound
A severely emaciated Common Murre carcass collected to determine the cause of death following a massive die-off of murres in 2015/2016. Prince William Sound
Biologists walk the beach counting Common Murre carcasses
Biologists walk the beach counting Common Murre carcassesBiologists walk the beach counting Common Murre carcasses following a massive die-off of murres in 2015/2016. Prince William Sound.
Biologists walk the beach counting Common Murre carcasses
Biologists walk the beach counting Common Murre carcassesBiologists walk the beach counting Common Murre carcasses following a massive die-off of murres in 2015/2016. Prince William Sound.
Freshly deceased Common Murre carcass
A freshly deceased Common Murre carcass recovered following the massive die-off of murres in 2015/2016. Cochrane Bay, Prince William Sound
A freshly deceased Common Murre carcass recovered following the massive die-off of murres in 2015/2016. Cochrane Bay, Prince William Sound
Freshly deceased Common Murre carcass recovered
A freshly deceased Common Murre carcass recovered following the massive die-off of murres in 2015/2016. Cochrane Bay, Prince William Sound.
A freshly deceased Common Murre carcass recovered following the massive die-off of murres in 2015/2016. Cochrane Bay, Prince William Sound.
Dead Common Murres found on the beach in Cochrane Bay, Prince William
Dead Common Murres found on the beach in Cochrane Bay, Prince WilliamDead Common Murres found on the beach in Cochrane Bay, Prince William Sound on Jan 10, 2016. These birds were part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
Dead Common Murres found on the beach in Cochrane Bay, Prince William
Dead Common Murres found on the beach in Cochrane Bay, Prince WilliamDead Common Murres found on the beach in Cochrane Bay, Prince William Sound on Jan 10, 2016. These birds were part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
Thousands of Common Murre carcasses on beaches in Pigot Bay
Thousands of Common Murre carcasses on beaches in Pigot BayThousands of Common Murre carcasses piled up on beaches in Pigot Bay following the massive die-off of murres in 2015/2016.
Thousands of Common Murre carcasses on beaches in Pigot Bay
Thousands of Common Murre carcasses on beaches in Pigot BayThousands of Common Murre carcasses piled up on beaches in Pigot Bay following the massive die-off of murres in 2015/2016.
A dead Common Murre found on the beach in Prince William Sound
A dead Common Murre found on the beach in Prince William SoundA dead Common Murre found on the beach in Prince William Sound on Jan 7, 2016. This bird was part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
A dead Common Murre found on the beach in Prince William Sound
A dead Common Murre found on the beach in Prince William SoundA dead Common Murre found on the beach in Prince William Sound on Jan 7, 2016. This bird was part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
Collecting permafrost information on the Tahana River
Collecting permafrost information on the Tahana RiverDavid Pelunis-Messier and Milton Roberts navigating on the Tanana River, a main tributary of the Yukon River. The two are taking part in the Yukon River permafrost study.
Collecting permafrost information on the Tahana River
Collecting permafrost information on the Tahana RiverDavid Pelunis-Messier and Milton Roberts navigating on the Tanana River, a main tributary of the Yukon River. The two are taking part in the Yukon River permafrost study.
Researcher takes winter water chemistry samples on the Yukon River
Researcher takes winter water chemistry samples on the Yukon RiverResearcher Carol Hasburgh taking winter water chemistry samples on the Yukon River for a permafrost loss study.
Researcher takes winter water chemistry samples on the Yukon River
Researcher takes winter water chemistry samples on the Yukon RiverResearcher Carol Hasburgh taking winter water chemistry samples on the Yukon River for a permafrost loss study.
USGS scientist places radiocollar on a sedated bull caribou in Alaska
USGS scientist places radiocollar on a sedated bull caribou in AlaskaUSGS scientist Layne Adams places a radiocollar on a sedated large bull caribou in Denali National Park, Alaska.
USGS scientist places radiocollar on a sedated bull caribou in Alaska
USGS scientist places radiocollar on a sedated bull caribou in AlaskaUSGS scientist Layne Adams places a radiocollar on a sedated large bull caribou in Denali National Park, Alaska.
Permafrost Loss Dramatically Changes Yukon River Chemistry and Hydrolo
Permafrost Loss Dramatically Changes Yukon River Chemistry and HydroloYukon River freezing up at Pilot Station, AK
Permafrost Loss Dramatically Changes Yukon River Chemistry and Hydrolo
Permafrost Loss Dramatically Changes Yukon River Chemistry and HydroloYukon River freezing up at Pilot Station, AK
Whitefish drying on a fish rack in Pilot Station, AK
Whitefish drying on a fish rack in Pilot Station, AKWhitefish drying on a fish rack in Pilot Station, AK, in the Yukon River Basin.
Whitefish drying on a fish rack in Pilot Station, AK
Whitefish drying on a fish rack in Pilot Station, AKWhitefish drying on a fish rack in Pilot Station, AK, in the Yukon River Basin.