First snowfall of the coming winter in the mountains of Western Canada.
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First snowfall of the coming winter in the mountains of Western Canada.
First snowfall of the coming winter in the mountains of Western Canada.
First snowfall of the coming winter in the mountains of Western Canada.
First snowfall of the coming winter in the mountains of Western Canada.
First snowfall of the coming winter in the mountains of Western Canada.
First snowfall of the coming winter in the mountains of Western Canada.
First snowfall of the coming winter in the mountains of Western Canada.
Snow-capped ridge in the mountains of Western Canada surrounded by coniferous forest.
Snow-capped ridge in the mountains of Western Canada surrounded by coniferous forest.
![Image: Conifers, Mountains, and Geology in Western Canada](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/Biomes_Forests_ConiferousForests_00069.jpg?itok=GvqpjofM)
Clouds, conifers, and geology in the Rocky Mountains of Western Canada.
Clouds, conifers, and geology in the Rocky Mountains of Western Canada.
Autumn foliage on a rocky slope of the Canadian Rockies.
Autumn foliage on a rocky slope of the Canadian Rockies.
Clouds, conifers, and geology in the Rocky Mountains of Western Canada.
Clouds, conifers, and geology in the Rocky Mountains of Western Canada.
Autumn foliage around a lake in the Rocky Mountains of Canada.
Autumn foliage around a lake in the Rocky Mountains of Canada.
Lakeside trail in the Canadian Rockies surrounded by autumn foliage.
Lakeside trail in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
![Image: Conifers, a Meadow, and a Glacier in Western Canada](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/Biomes_Forests_ConiferousForests_00062.jpg?itok=c-1AiqHw)
Glacier hanging above a mountain meadow and a coniferous forest in the Rocky mountains of Western Canada.
Glacier hanging above a mountain meadow and a coniferous forest in the Rocky mountains of Western Canada.
Lake in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
Lake in the Canadian Rockies surrounded by autumn foliage.
Mountains of Western Canada overlooking an extensive coniferous forest and young trees.
Mountains of Western Canada overlooking an extensive coniferous forest and young trees.
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.
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.
![Image: Autumn in the Forests, Lakes, and Mountains of Canada](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/Biomes_Forests_ConiferousForests_00051.jpg?itok=wLWoH_UU)
Coniferous forest and high glacial peaks along a mountain lake.
Coniferous forest and high glacial peaks along a mountain lake.
![Image: Autumn in the Forests, Lakes, and Mountains of Canada](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/Biomes_Forests_ConiferousForests_00050.jpg?itok=XxrKqJzH)
Coniferous forest and high glacial peaks along a mountain lake.
Coniferous forest and high glacial peaks along a mountain lake.
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.
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.