A meltwater stonefly larva (Lednia tumana) sits on a cobbled snow fed stream in Glacier National Park. The species is threatened by climate warming induced glacier and snow loss and has been petitioned for protection under the U.S. Endangered Species Act due to climate-change-induced habitat loss.
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A meltwater stonefly larva (Lednia tumana)
A meltwater stonefly larva (Lednia tumana) sits on a cobbled snow fed stream in Glacier National Park. The species is threatened by climate warming induced glacier and snow loss and has been petitioned for protection under the U.S. Endangered Species Act due to climate-change-induced habitat loss.
Iceberg Lake
On Iceberg Lake in Glacier National Park, ice from the glacier is breaking up and melting at a rapid rate. Cold, glacier fed waters provide crucial habitat for native aquatic species such as trout, and as the ice is disappearing, so are the ideal habitats to sustain native ecosystems.
On Iceberg Lake in Glacier National Park, ice from the glacier is breaking up and melting at a rapid rate. Cold, glacier fed waters provide crucial habitat for native aquatic species such as trout, and as the ice is disappearing, so are the ideal habitats to sustain native ecosystems.
Blackfoot Glacier in Glacier National Park - 2009
Blackfoot Glacier in Glacier National Park - 2009
Blackfoot Glacier in Glacier National Park - 2009
Blackfoot-Jackson 2009 color
Blackfoot-Jackson 2009 color
Blackfoot-Jackson 2009 color
Avalanche over Going-to-the-Sun Road, Glacier National Park
Avalanche debris fills a drainage along Going-to-the-Sun Road near Triple Arches. 5/21/2009
Avalanche debris fills a drainage along Going-to-the-Sun Road near Triple Arches. 5/21/2009
Avalanche debris on roadway
Road plows begin removing wet slab avalanche debris on Going to the Sun Road in Glacier National Park, 2009.
Road plows begin removing wet slab avalanche debris on Going to the Sun Road in Glacier National Park, 2009.
Avalanche path
Regular avalanche activity keeps this path clear of trees. Snowy peaks of Glacier National Park in the background.
Regular avalanche activity keeps this path clear of trees. Snowy peaks of Glacier National Park in the background.
Avalanche debris and skier
Debris from Red Rock Avalanche covers the road and is piled high along the banks of the river as a skier make his way along the road, 04/06/2009
Debris from Red Rock Avalanche covers the road and is piled high along the banks of the river as a skier make his way along the road, 04/06/2009
Grinnell Glacier from trail 2008 - color
Grinnell Glacier from trail 2008 - color
Grinnell Glacier from trail 2008 - color
Grinnell Glacier from trail 2008.
Grinnell Glacier from trail 2008.
Grinnell Glacier from trail 2008.
Grinnell Glacier from trail 2008 in color.
Grinnell Glacier from trail 2008 in color.
Grinnell Glacier from trail 2008 in color.
Grinnell Glacier from Footbridge 2008 in color.
Grinnell Glacier from Footbridge 2008 in color.
Grinnell Glacier from Footbridge 2008 in color.
Grinnell Glacier from Lake Josephine 2008 in color.
Grinnell Glacier from Lake Josephine 2008 in color.
Grinnell Glacier from Lake Josephine 2008 in color.
Grinnell Glacier from Footbridge 2008 in color.
Grinnell Glacier from Footbridge 2008 in color.
Grinnell Glacier from Footbridge 2008 in color.
Grizzly bear and cubs in Yellowstone National Park
A female grizzly bear with her three-year-old offspring on a snow-covered field in Yellowstone National Park. Image taken in April 2008. (USGS image, Steve Ard)
A female grizzly bear with her three-year-old offspring on a snow-covered field in Yellowstone National Park. Image taken in April 2008. (USGS image, Steve Ard)
Bison being fed on the National Elk Refuge
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Bison being fed on the National Elk Refuge
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Elk and bison being fed on the National Elk Refuge
Elk and bison being fed on the National Elk Refuge, Wyoming. Grand Teton and Grand Teton National Park are in the background.
Elk and bison being fed on the National Elk Refuge, Wyoming. Grand Teton and Grand Teton National Park are in the background.
A fire ecologist takes pictures of the location of the Red Eagle Fire.
A fire ecologist takes pictures of the location of the Red Eagle Fire in Montana, 2007.
A fire ecologist takes pictures of the location of the Red Eagle Fire in Montana, 2007.
An elk grazes in Yellowstone National Park.
Boulder Glacier - Chapman Peak - 2007 color
Boulder Glacier - Chapman Peak - 2007 color
Boulder Glacier - Chapman Peak - 2007 color