Power lines run along a dirt track through the Morley Nelson Snake River Birds of Prey National Conservation Area in southern Idaho. Power poles are often the tallest structures available for bird perching and nesting in flat landscapes without trees.
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Power lines run along a dirt track through the Morley Nelson Snake River Birds of Prey National Conservation Area in southern Idaho. Power poles are often the tallest structures available for bird perching and nesting in flat landscapes without trees.
While surveying for Oregon spotted frog egg masses in Deschutes County, OR, field technicians caught an adult female using a dip net. This was the first individual observed during the Spring field season.
While surveying for Oregon spotted frog egg masses in Deschutes County, OR, field technicians caught an adult female using a dip net. This was the first individual observed during the Spring field season.
While surveying for Oregon spotted frog egg masses in Deschutes County, OR, field technicians caught an adult female using a dip net. This was the first individual observed for the Spring field season.
While surveying for Oregon spotted frog egg masses in Deschutes County, OR, field technicians caught an adult female using a dip net. This was the first individual observed for the Spring field season.
Malheur Lake, a saline lake in eastern Oregon, photographed from a USGS airboat. USGS has been monitoring water quality parameters including temperature, turbidity, and pH in the lake since 2017.
Malheur Lake, a saline lake in eastern Oregon, photographed from a USGS airboat. USGS has been monitoring water quality parameters including temperature, turbidity, and pH in the lake since 2017.
A bald eagle and common raven found dead near the base of a power pole during a survey. Both birds were determined to have died from gunshot.
A bald eagle and common raven found dead near the base of a power pole during a survey. Both birds were determined to have died from gunshot.
Experimental plots near Boise, Idaho after planting is complete. Black gravel increases the amount of sunlight absorbed by the ground, increasing the temperature of the plot. White gravel absorbs less light, keeping the plot cooler. Wooden toothpicks mark the location of cheatgrass seeds.
Experimental plots near Boise, Idaho after planting is complete. Black gravel increases the amount of sunlight absorbed by the ground, increasing the temperature of the plot. White gravel absorbs less light, keeping the plot cooler. Wooden toothpicks mark the location of cheatgrass seeds.
Non-lead ammunition, such as those made from copper, tend to remain intact after impact with their target, while lead ammunition can fragment into many small pieces.
Non-lead ammunition, such as those made from copper, tend to remain intact after impact with their target, while lead ammunition can fragment into many small pieces.
The eastern shore of Lake Abert, a saline lake in Oregon, photographer during a field trip USGS researchers led with multiple local groups. A drought in 2022 resulted in low water levels.
The eastern shore of Lake Abert, a saline lake in Oregon, photographer during a field trip USGS researchers led with multiple local groups. A drought in 2022 resulted in low water levels.
The eastern shore of Lake Abert, a saline lake in Oregon, photographer during a field trip USGS researchers led with multiple local groups. A drought in 2022 resulted in low water levels.
The eastern shore of Lake Abert, a saline lake in Oregon, photographer during a field trip USGS researchers led with multiple local groups. A drought in 2022 resulted in low water levels.
Warner Lakes in Oregon photographed from the eastern ridge looking west. In 2022 the lakes were dry due to an extended drought in the western U.S.
Warner Lakes in Oregon photographed from the eastern ridge looking west. In 2022 the lakes were dry due to an extended drought in the western U.S.
An immature golden eagle arrives at a baited trap as part of research effort to capture and satellite tag golden eagles for assessments of risks of wind development on the species.
An immature golden eagle arrives at a baited trap as part of research effort to capture and satellite tag golden eagles for assessments of risks of wind development on the species.
Golden Eagle soaring near a wind turbine tower in the Altamont Pass Wind Resource Area, California
linkTargeted monitoring of Golden Eagle populations is an integral component of effective management, serving as a guide for deciding the appropriate course of management action, evaluating the effectiveness of such actions, and providing options to better achieve management goals.
Golden Eagle soaring near a wind turbine tower in the Altamont Pass Wind Resource Area, California
linkTargeted monitoring of Golden Eagle populations is an integral component of effective management, serving as a guide for deciding the appropriate course of management action, evaluating the effectiveness of such actions, and providing options to better achieve management goals.
USGS researchers preparing to plant cheatgrass seeds in an experimental plot near Boise, Idaho and look at the impact of temperature, planting density, and genetics on cheatgrass phenology. Holes are drilled in a grid to ensure cheatgrass seeds are planted with even spacing at the same depth. 25 seeds were planted per plot.
USGS researchers preparing to plant cheatgrass seeds in an experimental plot near Boise, Idaho and look at the impact of temperature, planting density, and genetics on cheatgrass phenology. Holes are drilled in a grid to ensure cheatgrass seeds are planted with even spacing at the same depth. 25 seeds were planted per plot.
This bald eagle was admitted to The Raptor Center in St. Paul, MN where it was determined by veterinarians to be poisoned by lead. The bowed head, drooped wings, and green stained tail feathers are all typical signs of lead poisoning of raptors.
This bald eagle was admitted to The Raptor Center in St. Paul, MN where it was determined by veterinarians to be poisoned by lead. The bowed head, drooped wings, and green stained tail feathers are all typical signs of lead poisoning of raptors.
Patrick Kolar, wildlife biologist at the Forest and Rangeland Ecosystem Science Center, surveys for territorial pairs of golden eagles using binoculars and a spotting scope in the Diablo Range study area of central California.
Patrick Kolar, wildlife biologist at the Forest and Rangeland Ecosystem Science Center, surveys for territorial pairs of golden eagles using binoculars and a spotting scope in the Diablo Range study area of central California.
A fisher moments after it was released into Olympic National Park in Washington State. Fishers were transported from Canada to Washington to help reestablish the population.
A fisher moments after it was released into Olympic National Park in Washington State. Fishers were transported from Canada to Washington to help reestablish the population.
A fisher is released into the wild near the staircase trail in Olympic National Park in Washington State. Fishers were transported from Canada and released in an effort to reestablish the population.
A fisher is released into the wild near the staircase trail in Olympic National Park in Washington State. Fishers were transported from Canada and released in an effort to reestablish the population.
Kurt Jenkins, Scientist Emeritus at the Forest and Rangeland Ecosystem Science Center, unloads a fisher at a release site in Olympic National Park. Fishers were transported from Canada and released in Washington to help reestablish the population.
Kurt Jenkins, Scientist Emeritus at the Forest and Rangeland Ecosystem Science Center, unloads a fisher at a release site in Olympic National Park. Fishers were transported from Canada and released in Washington to help reestablish the population.
Ruby Lake National Wildlife Refuge lies at the southern end of Ruby Valley in northeast Nevada. For more information visit the Ruby Lake NWR website.
Ruby Lake National Wildlife Refuge lies at the southern end of Ruby Valley in northeast Nevada. For more information visit the Ruby Lake NWR website.
Locations of barred owl sightings recorded during 2015 owl monitoring activities. Barred owls were lethally removed from the areas highlighted in pink. Supporting data is found at https://doi.org/10.3133/ofr20201089.
Locations of barred owl sightings recorded during 2015 owl monitoring activities. Barred owls were lethally removed from the areas highlighted in pink. Supporting data is found at https://doi.org/10.3133/ofr20201089.
Locations of barred owl sightings recorded during 2020 owl monitoring activities. Barred owls were lethally removed from the areas highlighted in pink. Supporting data is found at https://doi.org/10.3133/ofr20201089.
Locations of barred owl sightings recorded during 2020 owl monitoring activities. Barred owls were lethally removed from the areas highlighted in pink. Supporting data is found at https://doi.org/10.3133/ofr20201089.