Images

Torrent salamanders are Northwest-U.S. endemic, headwater-stream-associated amphibian species that have a dearth of basic ecological information, but are thought to be highly vulnerable to habitat changes.

Snake River near Irwin, ID staff plate (station 13032500)

Moving ESP into gagehouse

Installing sampling pump in river 

Sealing MBARI Environmental Sample Processor into its housing

MBARI Environmental Sample Processor (ESP) installed in Streamgage

Installing MBARI Environmental Sample Processor (ESP) Streamgage

A uninhabited aerial system (UAS), a drone, flies above avalanche terrain to collect imagery used for avalanche studies.

Weather station instruments are all but buried near the spring snow maximum at Sperry Glacier in Glacier National Park, Montana.

Firn core with an ice lens collected on Gulkana Glacier during spring 2019 mass balance field work. Gulkana Glacier is located along the south flank of the eastern Alaska Range.

An autonomous sampler (white box) is visible alongside a stream site in Montana  

Elk on National Elk Refuge, Wyoming.

Image taken by a research drone of elk from the Jackson elk herd after then have received supplement feed by the National Elk Refuge. Notice how aggregated the elk are due to the feeding. 

Who's who?  These are print casts of front and back paw prints of a grizzly bear (top) and black bear (bottom). The casts on the right are the front paws of each species; the casts on the left are the back.  How do you tell? 

Grand Teton National Park in autumn.

Image of scientist setting up a radar system in Colorado to test its efficacy in detecting birds and bats flying towards spinning wind turbines.

Grinnell Glacier from the summit of Mt. Gould, 9/25/2015. Repeat of Hileman, 1938 image.

Many bumble bee species have declined in recent decades due to changes in habitat, climate, and pressures from pathogens, pesticides and introduced species. The western bumble bee, once common throughout western North America, is a species of concern and is being considered for listing by the U.S. Fish and Wildlife Service under the Endangered Species Act.

A weather station located in a sagebrush ecosystem in southwest Montana—a major ecosystem type managed by the Bureau of Land Management

USGS scientist Todd Preston using an Unmanned Aerial Vehicle (UAV).  USGS is actively exploring the use of small unmanned aerial system (aka drones) for scientific data collection and testing whether or not they are useful in monitoring wildlife.

Examples of glide avalanches on Heaven's Peak, Glacier National Park.