Forest and Rangeland Ecosystem Science Center

Multimedia

Filter Total Items: 180
Northern spotted owl perched on a tree branch
July 2, 2014

Spotted Owl

Northern spotted owls (Strix occidentalis caurina) are mostly non-migratory, long-lived birds whose populations have declined in mature forests of western North America.

man wearing a life jacket holding a dip net
May 21, 2014

Collecting dragonfly larvae for the Dragonfly Mercury Project

Between 2009 and 2018, scientists conducted a national scale assessment of mercury accumulation in the National Park System using dragonfly larvae as biosentinels (species that accumulate a pollutant in their tissues as an index of exposure to other organisms without significant adverse effects to the biosentinel) through a citizen science network called the Dragonfly

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Dragonfly larvae being held in an open hand
May 20, 2014

Dragonfly (Aeshnidae) larvae

Dragonfly larvae are ideal mercury biosentinels and can be used to predict concentrations in co-located fish species.

truck and camper trailer Onaqui SageStep field site
April 28, 2014

Onaqui SageStep field site, field camp

Field site truck and trailer at the Onaqui SageStep field site, field camp

Salmon carcass on gravel bar
April 17, 2014

Salmon carcass on gravel bar on Kodiak Island, AK

Kodiak NWR Migrating species of Pacific Salmon return to many of the rivers on Kodiak Island. After spawning, their bodies often wash up on gravel bars, providing an easy dinner for scavengers.

3 Month Old Sagebrush Seedling
March 17, 2014

3 Month Old Sagebrush Seedling

Sagebrush seedlings grown at Birds of Prey National Conservation Area before outplanting to sites at BOP NCA in Nov 2012 in sites previously burned in wildfire summer 2012

Image: Brewer's Sparrow Chicks
June 25, 2013

Brewer's Sparrow Chicks

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

Image: Brewer's Sparrow Chicks
June 25, 2013

Brewer's Sparrow Chicks

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

Image: Brewer's Sparrow Chicks
June 25, 2013

Brewer's Sparrow Chicks

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

Image: Brewer's Sparrow Chicks
June 25, 2013

Brewer's Sparrow Chicks

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

Image: Brewer's Sparrow Chicks
June 25, 2013

Brewer's Sparrow Chicks

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