Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
Beach seining on the spawing grounds of sockeye salmon in Salmon Lake. This is the headwater of the Pilgrim River which is the northern edge of the sockeye salmon distribution.
Beach seining on the spawing grounds of sockeye salmon in Salmon Lake. This is the headwater of the Pilgrim River which is the northern edge of the sockeye salmon distribution.
A stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park. The stream is in the Agashashok River watershed. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
A stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park. The stream is in the Agashashok River watershed. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Bald eagle fledglings on Simeonof Island, Alaska (north island), July 2014. North side of isthmus between the north and south portion of Simeonof Island, Alaska. Observed during vegetation studies on Simeonof Wilderness. Simeonof is one of the islands in the Shumagin Island Group within the Alaska Maritime National Wildlife Refuge.
Bald eagle fledglings on Simeonof Island, Alaska (north island), July 2014. North side of isthmus between the north and south portion of Simeonof Island, Alaska. Observed during vegetation studies on Simeonof Wilderness. Simeonof is one of the islands in the Shumagin Island Group within the Alaska Maritime National Wildlife Refuge.
The Gulkana Glacier weather station collects data on air temperature, wind speed and direction, and cumulative precipitation.
The Gulkana Glacier weather station collects data on air temperature, wind speed and direction, and cumulative precipitation.
Pacific sand lance in a sieve that were captured in a small purse seine in Prince William Sound, Alaska
Pacific sand lance in a sieve that were captured in a small purse seine in Prince William Sound, Alaska
Goose Creek Watershed
Wetlands in the Goose Creek watershed.
Wetlands in the Goose Creek watershed.
Pulling in a cast net in Prince William Sound.
Pulling in a cast net in Prince William Sound.
Sarah Schoen with a Pacific Herring in her hand that was caught in Prince William Sound, Alaska
Sarah Schoen with a Pacific Herring in her hand that was caught in Prince William Sound, Alaska
A scenic view of the mountains and the ocean in Prince William Sound
A scenic view of the mountains and the ocean in Prince William Sound
A scenic view of the sea and the mountains in Prince William Sound
A scenic view of the sea and the mountains in Prince William Sound
A close up of the head of a Wilson’s Snipe.
A close up of the head of a Wilson’s Snipe.
Photo of Wolverine Glacier ice. Wolverine Glacier is in the Kenai Mountains on the coast of south-central Alaska. In 1966 scientists with the USGS began making direct measurements of surface mass balance at Wolverine Glacier, a "benchmark glacier" in Alaska.
Photo of Wolverine Glacier ice. Wolverine Glacier is in the Kenai Mountains on the coast of south-central Alaska. In 1966 scientists with the USGS began making direct measurements of surface mass balance at Wolverine Glacier, a "benchmark glacier" in Alaska.
White-fronted geese aggressively defend their nest against an arctic fox. Arctic Coastal Plain of Alaska, USA
White-fronted geese aggressively defend their nest against an arctic fox. Arctic Coastal Plain of Alaska, USA
Juvenile Northern Shrike. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Juvenile Northern Shrike. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Whimbrel on the tundra on the Seward Peninsula, Alaska.
Whimbrel on the tundra on the Seward Peninsula, Alaska.
Polar bear climbing onto the sea ice after a swim in the Chukchi Sea off the northwest coast of Alaska. USGS photograph taken June 15, 2014.
Polar bear climbing onto the sea ice after a swim in the Chukchi Sea off the northwest coast of Alaska. USGS photograph taken June 15, 2014.
Polar bear lying on the sea ice to dry off after a swim in the Chukchi Sea, Alaska. USGS photograph taken June 15, 2014.
Polar bear lying on the sea ice to dry off after a swim in the Chukchi Sea, Alaska. USGS photograph taken June 15, 2014.
Native Language Teacher Susan Paskvan at Netaaghedeedelenh Denh (Cutoff Slough).
Native Language Teacher Susan Paskvan at Netaaghedeedelenh Denh (Cutoff Slough).
Alaska community members discuss the journey to confirm placename research.
Alaska community members discuss the journey to confirm placename research.
Sunset along the Koyukuk River in front of the U.S. Fish and Wildlife Service Subsistence Cabin.
Sunset along the Koyukuk River in front of the U.S. Fish and Wildlife Service Subsistence Cabin.