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Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
USGS biologist Sarah Schoen identifies and counts Common Murre carcasses on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
USGS biologist Sarah Schoen identifies and counts Common Murre carcasses on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
A Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Portage Bay, Alaska Peninsula.
A Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Portage Bay, Alaska Peninsula.
Retired USGS biologist Tony DeGange searches for Common Murre carcasses above the high tide line on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Retired USGS biologist Tony DeGange searches for Common Murre carcasses above the high tide line on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
A Common Murre carcass decomposes just above the high tide line along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
A Common Murre carcass decomposes just above the high tide line along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
A Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula.
A Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula.
Dead Common Murres found on the beach along the Alaska Peninsula May 2, 2016. This bird was part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
Dead Common Murres found on the beach along the Alaska Peninsula May 2, 2016. This bird was part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
Alaska surveying crew circa 1924 using alidade and plane table; transportation by dogsled. USGS photo files.
Alaska surveying crew circa 1924 using alidade and plane table; transportation by dogsled. USGS photo files.
Buff-breasted Sandpiper with transmitter
Buff-breasted Sandpiper with transmitter
Buff-breasted Sandpipers in Texas turf farms
Buff-breasted Sandpipers in Texas turf farms
Spectacled eider male and female flying near the Colville River in 2013.
Spectacled eider male and female flying near the Colville River in 2013.
Scour under a bridge on the Kenai Peninsula in 2002.
Scour under a bridge on the Kenai Peninsula in 2002.
Aurora borealis display evokes the beauty of the Arctic, as well as the geomagnetic field intensity actively monitored by USGS scientists.
Aurora borealis display evokes the beauty of the Arctic, as well as the geomagnetic field intensity actively monitored by USGS scientists.
Karyn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Karyn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
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.
A Boreal Chickadee with a mildly deformed beak.
A Boreal Chickadee with a mildly deformed beak.
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.
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.
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 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.
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.