Sediment core retrieval from Lake Erie onboard the RV Lake Guardian on Lake Erie, Michigan.
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Sediment core retrieval from Lake Erie onboard the RV Lake Guardian
Sediment core retrieval from Lake Erie onboard the RV Lake Guardian on Lake Erie, Michigan.
Elwha River flowing through former dam site during flood
USGS Hydrologist Chris Magirl captures image of the Elwha River flooding for the first time following dam removal. This location is just downstream of the former Elwha Dam which used to stand at the area near the top of the photograph.
USGS Hydrologist Chris Magirl captures image of the Elwha River flooding for the first time following dam removal. This location is just downstream of the former Elwha Dam which used to stand at the area near the top of the photograph.
Pend Oreille River in winter
The Kalispel Tribe in northeastern Washington is located along the Pend Oreille River, home to culturally important, cold-water fish, such as bull trout and cutthroat trout.
The Kalispel Tribe in northeastern Washington is located along the Pend Oreille River, home to culturally important, cold-water fish, such as bull trout and cutthroat trout.
Engorged Female Deer Tick
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This image shows a large, engorged female blacklegged tick, or deer tick (species Ixodes scapularis).
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This image shows a large, engorged female blacklegged tick, or deer tick (species Ixodes scapularis).
Bee Butt
This is the backend of a Lipotriches (Plain Sweat Bee) collected in Australia. This is one of the bees in which the males are known to form sleeping aggregations – small groups to dozens of individuals clustering together on the same twig late in the afternoon and remaining there until after dawn.
This is the backend of a Lipotriches (Plain Sweat Bee) collected in Australia. This is one of the bees in which the males are known to form sleeping aggregations – small groups to dozens of individuals clustering together on the same twig late in the afternoon and remaining there until after dawn.
Deer Ticks
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This is an image of blacklegged ticks, or deer ticks.
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This is an image of blacklegged ticks, or deer ticks.
Black-footed Ferret Release
An endangered black-footed ferret is released on private land in Arizona as part of a collaborative species recovery effort.
An endangered black-footed ferret is released on private land in Arizona as part of a collaborative species recovery effort.
Upshot of Douglas fir forest McKenzie Pass, Willamette National Forest
The glorious Douglas fir forest on the west side of the Cascade Mountains, McKenzie Pass, Willamette National Forest. The Douglas fir is the Oregon state tree.
The glorious Douglas fir forest on the west side of the Cascade Mountains, McKenzie Pass, Willamette National Forest. The Douglas fir is the Oregon state tree.
Bull elk in Grand Teton National Park, Wyoming.
Bull elk in Grand Teton National Park, Wyoming.
Bull elk in Grand Teton National Park, Wyoming.
Looking out the mouth of Reynolds Glacier in Glacier National Park.
Looking out the mouth of Reynolds Glacier in Glacier National Park. Glacier National Park is iconic of the combined impacts of climate change and snow and ice loss – over 80 percent of the park’s glaciers have been lost since the mid-19th century.
Looking out the mouth of Reynolds Glacier in Glacier National Park. Glacier National Park is iconic of the combined impacts of climate change and snow and ice loss – over 80 percent of the park’s glaciers have been lost since the mid-19th century.
Whoopers Released
A Whooping crane chick is released into a temporary pen to acclimate before being released into the wild. Four of the endangered chicks, hatched and raised by their parents at the U.S. Geological Survey’s Patuxent Wildlife Research Center in Laurel, Maryland, were released on Necedah National Wildlife Refuge in Wisconsin.
A Whooping crane chick is released into a temporary pen to acclimate before being released into the wild. Four of the endangered chicks, hatched and raised by their parents at the U.S. Geological Survey’s Patuxent Wildlife Research Center in Laurel, Maryland, were released on Necedah National Wildlife Refuge in Wisconsin.
Radiomarked Common Loon
A juvenile common loon wearing a satellite transmitter antenna follows an adult.
A juvenile common loon wearing a satellite transmitter antenna follows an adult.
Elwha River mouth during dam removal
Aerial photograph of the mouth of the Elwha River showing sediment deposits from dam removal. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Aerial photograph of the mouth of the Elwha River showing sediment deposits from dam removal. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Glines Canyon Dam removal
Aerial photograph of the Elwha River flowing through the remains of the Glines Canyon Dam during the 3rd year of the dam removal project. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Aerial photograph of the Elwha River flowing through the remains of the Glines Canyon Dam during the 3rd year of the dam removal project. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Fire monitoring during wildfires
Fire monitoring during wildfires helps researchers understand the complex relationships among fuels, fire behavior, and fire effects. Santa Fe National Forest, New Mexico, 2014.
Fire monitoring during wildfires helps researchers understand the complex relationships among fuels, fire behavior, and fire effects. Santa Fe National Forest, New Mexico, 2014.
Monitoring fire effects at archaeological sites
Monitoring fire effects at archaeological sites provides critical information for fire planning and site preservation. Santa Fe National Forest, New Mexico, 2014.
Monitoring fire effects at archaeological sites provides critical information for fire planning and site preservation. Santa Fe National Forest, New Mexico, 2014.
Close Up of Grizzly Bear Hair on Fence
Grizzly bear hair on barbed wire at a hair corral. Bears climb over or under the corral and the hair collected provides information for genetic analysis.
Grizzly bear hair on barbed wire at a hair corral. Bears climb over or under the corral and the hair collected provides information for genetic analysis.
Euglena sanguinea Under the Microscope
The red is due to the presence of astaxanthin, a pigment in the cells.
The red is due to the presence of astaxanthin, a pigment in the cells.
Common Checkered-skipper, Pyrgus communis
Closeup of a Common Checkered-skipper, Pyrgus communis feeding on a yellow flower located in a pollinator plot in North Dakota.
Closeup of a Common Checkered-skipper, Pyrgus communis feeding on a yellow flower located in a pollinator plot in North Dakota.
Running the Bee Traps
USGS technicians check bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.
USGS technicians check bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.
Running the Bee Traps
A USGS technician checks bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.
A USGS technician checks bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.