Images

Wetland habitats, such as the Great Salt Lake wetlands, provide critical feeding areas for many fish and wildlife species.

Frozen fish samples awaiting mercury analysis

Rogue River canyon in southwest Oregon

Idaho giant salamander as seen from above

Blossom Bar on Rogue River in southern Oregon

Brewer's sparrow (Spizella breweri) wing spread close up.

Back view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.

Side view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.

Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.

Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.

Aspen regeneration after stand-replacing fire in a seral aspen-conifer stand

Aspen regeneration after stand-replacing fire in a seral aspen-conifer stand in the Jarbidge Mountains, Nevada

A female rough-skinned newt on a trail near Woodpecker Pond, Finley National Wildlife Refuge, OR. 

A yellow-headed blackbird perched on the shore of Malheur Lake, a saline lake in Oregon. Malheur Lake is an important habitat for many species of birds.

An American avocet wading in a pond near Crane Hot Springs in Oregon. The avocet was observed while conducting research on environmental contaminants in the Great Basin.

Aspen Forest

Aspen grove in northern Nevada

Aspen grove changing color, northern Nevada

Aspen Forest

Anerytherisitic sub-adult Oregon Spotted frog from Dilman Meadows, SW of Bend, Oregon. An anerytherisitic organism has inherited a recessive mutation where they lack red, yellow, and orange pigments. These organisms are usually black, grey, and brown in color.

USGS divers Steve Rubin and Reg Reisenbichler laying out a survey transect in the Elwha River in northern Washington.