First snowfall of the coming winter in the mountains of Western Canada.
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Winter Snows in Canada's Forests and Mountains
First snowfall of the coming winter in the mountains of Western Canada.
Winter Snows in Canada's Forests and Mountains
First snowfall of the coming winter in the mountains of Western Canada.
First snowfall of the coming winter in the mountains of Western Canada.
Autumn Colors and Canadian Larches
Autumn foliage on a rocky slope of the Canadian Rockies.
Autumn foliage on a rocky slope of the Canadian Rockies.
Conifers, Mountains, and Geology in Western Canada
Conifers, Mountains, and Geology in Western CanadaClouds, conifers, and geology in the Rocky Mountains of Western Canada.
Conifers, Mountains, and Geology in Western Canada
Conifers, Mountains, and Geology in Western CanadaClouds, conifers, and geology in the Rocky Mountains of Western Canada.
Conifers, Mtns, and Geology in Western Canada
Clouds, conifers, and geology in the Rocky Mountains of Western Canada.
Clouds, conifers, and geology in the Rocky Mountains of Western Canada.
Autumn in the Canadian Rockies
Autumn foliage around a lake in the Rocky Mountains of Canada.
Autumn foliage around a lake in the Rocky Mountains of Canada.
Autumn Foliage in the Canadian Rockies
Lakeside trail in the Canadian Rockies surrounded by autumn foliage.
Lakeside trail in the Canadian Rockies surrounded by autumn foliage.
Autumn Foliage Beside a Mountain Lake
Lake in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
Autumn Colors Beside a Mountain Lake
Lake in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
Conifers, a Meadow, and a Glacier in Western Canada
Conifers, a Meadow, and a Glacier in Western CanadaGlacier hanging above a mountain meadow and a coniferous forest in the Rocky mountains of Western Canada.
Conifers, a Meadow, and a Glacier in Western Canada
Conifers, a Meadow, and a Glacier in Western CanadaGlacier hanging above a mountain meadow and a coniferous forest in the Rocky mountains of Western Canada.
Autumn Colors Beside a Canadian Lake
Lake in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
Conifers and Mountains in Western Canada
Mountains of Western Canada overlooking an extensive coniferous forest and young trees.
Mountains of Western Canada overlooking an extensive coniferous forest and young trees.
Sumatran Tiger
The sumatran tiger (Panthera tigris sumatrae) makes an appearance at the Save Vanishing Species event to unveil the tiger stamp for the First-Day-Of-Issue Ceremony at the Smithsonian National Zoology Park.
The sumatran tiger (Panthera tigris sumatrae) makes an appearance at the Save Vanishing Species event to unveil the tiger stamp for the First-Day-Of-Issue Ceremony at the Smithsonian National Zoology Park.
Conifers and Mountains in Western Canada
An extensive coniferous forest of pines, spruces, and larches in the Canadian Rockies.
An extensive coniferous forest of pines, spruces, and larches in the Canadian Rockies.
Autumn in the Forests, Lakes, and Mountains of Canada
Autumn in the Forests, Lakes, and Mountains of CanadaConiferous forest and high glacial peaks along a mountain lake.
Autumn in the Forests, Lakes, and Mountains of Canada
Autumn in the Forests, Lakes, and Mountains of CanadaConiferous forest and high glacial peaks along a mountain lake.
Autumn in the Forests, Lakes, and Mountains of Canada
Autumn in the Forests, Lakes, and Mountains of CanadaConiferous forest and high glacial peaks along a mountain lake.
Autumn in the Forests, Lakes, and Mountains of Canada
Autumn in the Forests, Lakes, and Mountains of CanadaConiferous forest and high glacial peaks along a mountain lake.
Black-Footed Ferret
The USGS National Wildlife Health Center is working to develop an oral vaccine to protect the endangered black-footed ferret from plague.
The USGS National Wildlife Health Center is working to develop an oral vaccine to protect the endangered black-footed ferret from plague.
Pit tagging a fish
USGS scientist Robert Al-Chokhachy places a pit tag in a trout to track movement.
USGS scientist Robert Al-Chokhachy places a pit tag in a trout to track movement.
Open and charred Tecate cypress cones
Tecate cypress regeneration, showing charred, open cones on the branches of a dead cypress (top right of photo). Tecate cypress cones are serotinous, meaning they open in response to fire.
Tecate cypress regeneration, showing charred, open cones on the branches of a dead cypress (top right of photo). Tecate cypress cones are serotinous, meaning they open in response to fire.
Young Atlantic Salmon Reared at the USGS Tunison Lab in Cortland, N.Y.
Young Atlantic Salmon Reared at the USGS Tunison Lab in Cortland, N.Y.Thousands of young Atlantic salmon are being released into Salmon River in an effort to restore this diminished Lake Ontario fish population, extending the sport fishing season by at least two months in Oswego County, N.Y.
Young Atlantic Salmon Reared at the USGS Tunison Lab in Cortland, N.Y.
Young Atlantic Salmon Reared at the USGS Tunison Lab in Cortland, N.Y.Thousands of young Atlantic salmon are being released into Salmon River in an effort to restore this diminished Lake Ontario fish population, extending the sport fishing season by at least two months in Oswego County, N.Y.
Atlantic Salmon Released into Beaverdam Brook
USGS employee Marisa Lubeck releases the day's last young Atlantic salmon into Beaverdam Brook in Altmar, N.Y.
Thousands of young Atlantic salmon are being released into Salmon River in an effort to restore this diminished Lake Ontario fish population, extending the sport fishing season by at least two months in Oswego County, N.Y.
USGS employee Marisa Lubeck releases the day's last young Atlantic salmon into Beaverdam Brook in Altmar, N.Y.
Thousands of young Atlantic salmon are being released into Salmon River in an effort to restore this diminished Lake Ontario fish population, extending the sport fishing season by at least two months in Oswego County, N.Y.