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Western bumble bee on a Geranium viscossium (sticky purple geranium) flower in Glacier National Park, Montana. Photo taken by USGS field crew in July 2023.
Western bumble bee on a Geranium viscossium (sticky purple geranium) flower in Glacier National Park, Montana. Photo taken by USGS field crew in July 2023.
Western bumblebee on a Geranium viscosissimum (sticky purple geranium) flower in Glacier National Park, Montana.
Western bumblebee on a Geranium viscosissimum (sticky purple geranium) flower in Glacier National Park, Montana.
Western bumble bee on a common yarrow flower in Glacier National Park, Montana. Photo taken by USGS field crew in July 2023.
Western bumble bee on a common yarrow flower in Glacier National Park, Montana. Photo taken by USGS field crew in July 2023.
The grizzly bear distribution represents the estimated geographic extent of occupied range of the Yellowstone grizzly bear population. The images show a comparison of their estimated geographic extent, with a 3-fold increase from 1990 (23,361 km2 or 9,020 mi2) to 2022 (70,101 km2 or 27,066 mi2).
The grizzly bear distribution represents the estimated geographic extent of occupied range of the Yellowstone grizzly bear population. The images show a comparison of their estimated geographic extent, with a 3-fold increase from 1990 (23,361 km2 or 9,020 mi2) to 2022 (70,101 km2 or 27,066 mi2).
USGS researchers acquire imagery from unmanned aerial vehicles (drones) synchronous with high-resolution imagery from satellites to map sagebrush across North Dakota and South Dakota.
USGS researchers acquire imagery from unmanned aerial vehicles (drones) synchronous with high-resolution imagery from satellites to map sagebrush across North Dakota and South Dakota.
Cherry Creek, Montana—a location where an environmental DNA (eDNA) autosampler was placed to detect invasive species.
Cherry Creek, Montana—a location where an environmental DNA (eDNA) autosampler was placed to detect invasive species.
Northern Rocky Mountain Science Center scientist examining a snow sample while standing in a snow pit to better understand snowpack characteristics that lead to avalanches.
Northern Rocky Mountain Science Center scientist examining a snow sample while standing in a snow pit to better understand snowpack characteristics that lead to avalanches.
Helicopter used to assist in mule deer capture to fit animals with GPS collars in Wind River Basin, Wyoming.
Helicopter used to assist in mule deer capture to fit animals with GPS collars in Wind River Basin, Wyoming.
The surface of South Cascade Glacier, Washington is mostly exposed ice at the end of summer melt season.
The surface of South Cascade Glacier, Washington is mostly exposed ice at the end of summer melt season.
USGS scientist examines a snow core collected on South Cascade Glacier, Washington.
USGS scientist examines a snow core collected on South Cascade Glacier, Washington.
An inside look at an MBARI autonomous environmental DNA (eDNA) sampler that is normally in metal housing taking samples in streams to detect aquatic invasive species, pathogens, and parasites. This version weighs about 400 pounds, but future versions will be more portable.
An inside look at an MBARI autonomous environmental DNA (eDNA) sampler that is normally in metal housing taking samples in streams to detect aquatic invasive species, pathogens, and parasites. This version weighs about 400 pounds, but future versions will be more portable.
This passive acoustic recording device has been deployed in Montana (MT) as part of the North American Bat Monitoring Programs (NABat) summertime survey efforts. It has an ultrasonic microphone placed at the top of a 10ft pole that records echolocating bats fro
This passive acoustic recording device has been deployed in Montana (MT) as part of the North American Bat Monitoring Programs (NABat) summertime survey efforts. It has an ultrasonic microphone placed at the top of a 10ft pole that records echolocating bats fro
Boaters fly fishing on the Missouri River in Montana
Boaters fly fishing on the Missouri River in Montana
A group of wind turbines in northeast Wyoming on a cloudy day. (Photo taken in May 2022.)
A group of wind turbines in northeast Wyoming on a cloudy day. (Photo taken in May 2022.)
Mountain goat standing next to a mostly frozen, high-elevation lake in Glacier National Park, Montana.
Mountain goat standing next to a mostly frozen, high-elevation lake in Glacier National Park, Montana.
Male (ram - left) and female (ewe) bighorn sheep outside of Yellowstone National Park.
Male (ram - left) and female (ewe) bighorn sheep outside of Yellowstone National Park.
Bull elk roaming on the National Elk Refuge with the Teton Range in the background.
Bull elk roaming on the National Elk Refuge with the Teton Range in the background.
This image shows a male bighorn sheep with large horns.
This image shows a male bighorn sheep with large horns.
Sequential estimates of occupied ranges for grizzly bears in the Greater Yellowstone Ecosystem during 1990–2022 (Dellinger et al. 2023). Range extents are based on methods described in Bjornlie et al. (2014).
Sequential estimates of occupied ranges for grizzly bears in the Greater Yellowstone Ecosystem during 1990–2022 (Dellinger et al. 2023). Range extents are based on methods described in Bjornlie et al. (2014).
Northern Rocky Mountain Science Center scientist Zachary Miller conducting routine maintenance on the Garden Wall Weather Station at Glacier National Park, Montana (elevation: 7,400 feet)
Northern Rocky Mountain Science Center scientist Zachary Miller conducting routine maintenance on the Garden Wall Weather Station at Glacier National Park, Montana (elevation: 7,400 feet)
Orange and black excluder device (left) will contain minerals, but intended to allow livestock access while excluding wildlife. Mineral block to the right of excluder device.
Orange and black excluder device (left) will contain minerals, but intended to allow livestock access while excluding wildlife. Mineral block to the right of excluder device.