Three caribou standing in the tundra. These caribou are part of the Porcupine caribou herd.
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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Caribou of the Porcupine Herd
Three caribou standing in the tundra. These caribou are part of the Porcupine caribou herd.
Whaling boat in Lonely, Alaska
This nearly century-old whaling boat rests along the Beaufort Sea coast near Lonely, Alaska in July, 2007. The boat was washed away to sea just a few months later.
This nearly century-old whaling boat rests along the Beaufort Sea coast near Lonely, Alaska in July, 2007. The boat was washed away to sea just a few months later.
USGS scientists processing trawl catch
Mayumi Arimitsu and John Piatt processing a trawl catch on the USGS R/V Alaskan Gyre in Kenai Fjords, Alaska.
Mayumi Arimitsu and John Piatt processing a trawl catch on the USGS R/V Alaskan Gyre in Kenai Fjords, Alaska.
Kittlitz’s Murrelet Habitat
Kittlitz’s Murrelets flying near glacier in Northwestern Fjord, Kenai Fjords National Park, Alaska.
Kittlitz’s Murrelets flying near glacier in Northwestern Fjord, Kenai Fjords National Park, Alaska.
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River
Aerial view of the Pilgrim River looking towards the mountains.
Aerial view of the Pilgrim River looking towards the mountains.
Aerial view of the Pilgrim River field camp
Aerial view of the Pilgrim River field camp
Aerial view of the Pilgrim River field camp
The morning fog on Pilgrim River, Alaska
A morning fog on the Pilgrim River. The camp is from the thermal ecology of sockeye salmon project.
A morning fog on the Pilgrim River. The camp is from the thermal ecology of sockeye salmon project.
Checking a fyke net near the shore of the Pilgrim River
Checking a fyke net near the shore of the Pilgrim RiverBiologists are checking a fyke net in the Pilgrim River for juvenile sockeye salmon to tag with archival tags. Unfortunately none were large enough for tagging.
Checking a fyke net near the shore of the Pilgrim River
Checking a fyke net near the shore of the Pilgrim RiverBiologists are checking a fyke net in the Pilgrim River for juvenile sockeye salmon to tag with archival tags. Unfortunately none were large enough for tagging.
Bar-tailed Godwit with a satellite transmitter and tag Z0
Bar-tailed Godwit with a satellite transmitter and tag Z0Bar-tailed godwit "Z0" instrumented with an implanted Argos satellite transmitter (note dorsally exposed antenna) to facilitate aerodynamics during the species non-stop flights across the Pacific Ocean.
Bar-tailed Godwit with a satellite transmitter and tag Z0
Bar-tailed Godwit with a satellite transmitter and tag Z0Bar-tailed godwit "Z0" instrumented with an implanted Argos satellite transmitter (note dorsally exposed antenna) to facilitate aerodynamics during the species non-stop flights across the Pacific Ocean.
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Bar-tailed Godwit tagged Z0 near Naknek, Alaska
Juvenile salmon trapping on the Nome River, Alaska
Juvenile salmon trapping on the Nome River, AlaskaBiologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Juvenile salmon trapping on the Nome River, Alaska
Juvenile salmon trapping on the Nome River, AlaskaBiologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Checking a fyke net in the Nome River
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
Biologists checking a fyke net as part of a fish project for the Norton Sound Economic Development Corporation. Otoliths were extracted and read for ages from the fish captured in this fyke net.
An inclined plane trap used to catch salmon smolt
An inclined plane trap on the Kwethluk River. Biologists are capturing chum salmon juvenile smolt.
An inclined plane trap on the Kwethluk River. Biologists are capturing chum salmon juvenile smolt.
Marbled Godwit on a nest near Ugashik, Alaska
Marbled Godwit on a nest near Ugashik, Alaska.
Marbled Godwit on a nest near Ugashik, Alaska.
A Matanuska River side channel
A side channel of the Matanuska River. Results from this study were published in Curran, J.H., McTeague, M.L., Burril, S.E., and Zimmerman, C.E., 2011, Distribution, persistence, and hydrologic characteristics of salmon spawning habitats in clearwater side channels of the Matanuska River, southcentral Alaska: U.S.
A side channel of the Matanuska River. Results from this study were published in Curran, J.H., McTeague, M.L., Burril, S.E., and Zimmerman, C.E., 2011, Distribution, persistence, and hydrologic characteristics of salmon spawning habitats in clearwater side channels of the Matanuska River, southcentral Alaska: U.S.
Winter phase Arctic fox on the northern coast of Alaska
Winter phase Arctic fox on the northern coast of AlaskaAn arctic fox in it's white winter phase. Taken during polar bear studies on the northern coast of Alaska.
Winter phase Arctic fox on the northern coast of Alaska
Winter phase Arctic fox on the northern coast of AlaskaAn arctic fox in it's white winter phase. Taken during polar bear studies on the northern coast of Alaska.
A bearded seal on the edge of the sea ice
A bearded seal on the edge of the sea ice
A bearded seal on the edge of the sea ice
A polar bear with hair loss (alopecia) along its neck
A polar bear with hair loss (alopecia) along its neckA polar bear with hair loss (alopecia) along its neck. The bear was captured by USGS scientists using the immobilizing drug Telazol
A polar bear with hair loss (alopecia) along its neck
A polar bear with hair loss (alopecia) along its neckA polar bear with hair loss (alopecia) along its neck. The bear was captured by USGS scientists using the immobilizing drug Telazol
Black-capped Chickadee with elongated upper beak
Black-capped Chickadee with elongated upper 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.
Black-capped Chickadee with elongated upper 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.
Dunlin flock near Egegik, Alaska
Dunlin flock near Egegik, Alaska.
Dunlin flock near Egegik, Alaska.