Red-throated Loon swimming near the Colville River, Alaska
Red-throated Loon swimming near the Colville River, AlaskaA Red-throated Loon swimming in a small lake on the Colville River Delta.
An official website of the United States government
Here's how you know
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.
A Red-throated Loon swimming in a small lake on the Colville River Delta.
A Red-throated Loon swimming in a small lake on the Colville River Delta.
Biologists sorting through buckets of benthic invertebrates looking for bivalves onboard the Norseman II in the Chukchi Sea.
Biologists sorting through buckets of benthic invertebrates looking for bivalves onboard the Norseman II in the Chukchi Sea.
Helicopter arriving to pick up geologists after retrieving geophysical equipment from the flanks of Redoubt Volcano, Alaska, July 2015
Helicopter arriving to pick up geologists after retrieving geophysical equipment from the flanks of Redoubt Volcano, Alaska, July 2015
Benthic invertebrates captured in a bottom trawl. This was from the Ecosystem Shifts in Arctic Seas project.
Benthic invertebrates captured in a bottom trawl. This was from the Ecosystem Shifts in Arctic Seas project.
The 2015 benthic field sampling team Jannelle Trowbridge, Vanessa von Biela, Carolynn Harris, and Thomas Nguyen. This was from the Ecosystem Shifts in Arctic Seas project.
The 2015 benthic field sampling team Jannelle Trowbridge, Vanessa von Biela, Carolynn Harris, and Thomas Nguyen. This was from the Ecosystem Shifts in Arctic Seas project.
ANSEP intern Jannelle Trowbridge sorts through a catch of benthic invertebrates for bivalves on the Norseman II. This was from the Ecosystem Shifts in Arctic Seas project.
ANSEP intern Jannelle Trowbridge sorts through a catch of benthic invertebrates for bivalves on the Norseman II. This was from the Ecosystem Shifts in Arctic Seas project.
Sea ice in the Chukchi Sea.
Sea ice in the Chukchi Sea.
Savannah Sparrow sitting on a hummock in dwarf shrub meadow habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Savannah Sparrow sitting on a hummock in dwarf shrub meadow habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Savannah Sparrow on a hummock in dwarf shrub meadow habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Savannah Sparrow on a hummock in dwarf shrub meadow habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Whimbrel in dwarf shrub meadow habitat on the Seward Peninsula, Alaska.
Whimbrel in dwarf shrub meadow habitat on the Seward Peninsula, Alaska.
Whimbrel feeding on a hummock of dwarf shrub meadow habitat.
Whimbrel feeding on a hummock of dwarf shrub meadow habitat.
Fire ecologists record post-fire information on tree mortality, fuel consumption, and vegetation communities to better understand and predict fire impacts, Kenai National Wildlife Refuge, AK
Fire ecologists record post-fire information on tree mortality, fuel consumption, and vegetation communities to better understand and predict fire impacts, Kenai National Wildlife Refuge, AK
Dan Esler at work.
A Pacific Loon swimming in a small lake on the Colville River delta.
A Pacific Loon swimming in a small lake on the Colville River delta.
A Pacific Loon swimming in a small lake on the Colville River delta.
A Pacific Loon swimming in a small lake on the Colville River delta.
Greater White-fronted Goose on the Colville River Delta, northern Alaska.
Greater White-fronted Goose on the Colville River Delta, northern Alaska.
Snow Goose near the Colville River, northern Alaska.
Snow Goose near the Colville River, northern Alaska.
A smoke plume from a wildland fire rises above a spruce stand in the Kenai National Wildlife Refuge, AK
A smoke plume from a wildland fire rises above a spruce stand in the Kenai National Wildlife Refuge, AK
Meanders on the Agashashok River
Meanders on the Agashashok River
A tributary at the arctic-boreal transition in the Agashashok River Watershed
A tributary at the arctic-boreal transition in the Agashashok River Watershed
Watersheds: A tributary at the arctic-boreal transition in the Agashashok River Watershed
Watersheds: A tributary at the arctic-boreal transition in the Agashashok River Watershed