When looking for a place to set up a capture location, biologists look for existing bear sign such as scratches on trees and bear scat. Sometimes traps are set in areas that have no obvious bear sign to determine if indeed bears are present.
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Grizzly bear on a remote camera.
When looking for a place to set up a capture location, biologists look for existing bear sign such as scratches on trees and bear scat. Sometimes traps are set in areas that have no obvious bear sign to determine if indeed bears are present.
Bear scratch on tree.
When looking for a place to set up a capture location, biologists look for existing bear sign such as scratches on trees and bear scat. Sometimes traps are set in areas that have no obvious bear sign to determine if indeed bears are present.
When looking for a place to set up a capture location, biologists look for existing bear sign such as scratches on trees and bear scat. Sometimes traps are set in areas that have no obvious bear sign to determine if indeed bears are present.
UAV launch
USGS scientist Todd Preston launches a UAV in Montana to study potential application for wildlife monitoring.
USGS scientist Todd Preston launches a UAV in Montana to study potential application for wildlife monitoring.
Filtering water for eDNA sample collection.
Filtering water for eDNA sample collection in Yellowstone National Park between Lewis and Shoshone Lakes.
Filtering water for eDNA sample collection in Yellowstone National Park between Lewis and Shoshone Lakes.
Collecting macroinvertebrates in Glacier National Park.
Collecting macroinvertebrates in Glacier National Park.
Collecting macroinvertebrates in Glacier National Park.
A mother grizzly bear and her cub in Yellowstone National Park.
A USGS grizzly bear researcher snapped this picture of a mother grizzly bear and her cub in Yellowstone National Park. Recent research shows that fffspring of grizzly bear mothers with a history of human-bear conflicts are more likely to be involved in human-bear conflicts than offspring of mothers without a history of human-bear conflicts.
A USGS grizzly bear researcher snapped this picture of a mother grizzly bear and her cub in Yellowstone National Park. Recent research shows that fffspring of grizzly bear mothers with a history of human-bear conflicts are more likely to be involved in human-bear conflicts than offspring of mothers without a history of human-bear conflicts.
USGS staff dig snowpits to evaluate the snow structure.
USGS staff dig snowpits to evaluate the snow structure after a wet snow avalanche cycle. This helps identify weak layers responsible for wet slab avalanches along the Going-to-the-Sun Road in Glacier National Park.
USGS staff dig snowpits to evaluate the snow structure after a wet snow avalanche cycle. This helps identify weak layers responsible for wet slab avalanches along the Going-to-the-Sun Road in Glacier National Park.
Grizzly bear caching an elk carcass in Grand Teton National Park
A grizzly bear has cached an elk carcass in Grand Teton National Park. Scientists used DNA from hair samples collected from barbed wire to estimate whether the availability of carcasses associated with an elk hunting season resulted in temporary immigration of grizzly bears.
A grizzly bear has cached an elk carcass in Grand Teton National Park. Scientists used DNA from hair samples collected from barbed wire to estimate whether the availability of carcasses associated with an elk hunting season resulted in temporary immigration of grizzly bears.
A scientist hikes up to a glacier in Glacier National Park.
A scientist hikes up to a glacier in Glacier National Park.
A scientist hikes up to a glacier in Glacier National Park.
Dan Fagre on Sperry Glacier Sperry Glacier, 08/23/15, in Glacier NP
Dan Fagre on Sperry Glacier Sperry Glacier, 08/23/15, in Glacier National Park.
Dan Fagre on Sperry Glacier Sperry Glacier, 08/23/15, in Glacier National Park.
Researcher on Sperry Glacier
A researcher on Sperry Glacier navigates to the next mass balance survey location.
A researcher on Sperry Glacier navigates to the next mass balance survey location.
Sampling for alpine insects above the stream in Glacier National Park.
A scientist is working to collect alpine insects by picking through moss below tiny, cold, alpine streams. This spot was below a small seep on a slope above a tributary to the Dry Fork, North of the Two Medicine area in Glacier National Park.
A scientist is working to collect alpine insects by picking through moss below tiny, cold, alpine streams. This spot was below a small seep on a slope above a tributary to the Dry Fork, North of the Two Medicine area in Glacier National Park.
Sperry Glacier, Sept. 25, 2015
This is an image taken in 2015 of Sperry Glacier in Glacier National Park. Accoriding to data released by the USGS, the warming climate has dramatically reduced the size of 39 glaciers in Montana since 1966, some by as much as 85 percent.
This is an image taken in 2015 of Sperry Glacier in Glacier National Park. Accoriding to data released by the USGS, the warming climate has dramatically reduced the size of 39 glaciers in Montana since 1966, some by as much as 85 percent.
Ripe Huckleberries
Ripe huckleberries
Technician next to PCR machine
laboratory technician waiting for PCR analysis to be completed on an eDNA sample
laboratory technician waiting for PCR analysis to be completed on an eDNA sample
A weather radar station in Indiana.
NEXRAD (NEXt generation RADar) is also known as Weather Surveillance Radar, 1988 Doppler (WSR-88D). Pictured is the tower that houses the antennae inside the radome (white sphere).
NEXRAD (NEXt generation RADar) is also known as Weather Surveillance Radar, 1988 Doppler (WSR-88D). Pictured is the tower that houses the antennae inside the radome (white sphere).
Thrush feeding babies.
Thrush feeding babies.
An invasive American bullfrog with tracking device.
An invasive American bullfrog with tracking device.
An invasive American bullfrog with tracking device.
Capturing invasive American bullfrog tadpoles in the Yellowstone River floodplain.
Seining a heavily bullfrog populated side channel at Two Moon County Park in Billings, MT.
Seining a heavily bullfrog populated side channel at Two Moon County Park in Billings, MT.
Sampling for aquatic invasive species in the Greater Yellowstone Area.
Sampling for aquatic invasive species in the Greater Yellowstone Area.
Sampling for aquatic invasive species in the Greater Yellowstone Area.
Sampling for aquatic invasive species in the Greater Yellowstone Area.
Sampling for aquatic invasive species in the Greater Yellowstone Area.
Sampling for aquatic invasive species in the Greater Yellowstone Area.