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Making America's Best Idea Even Better
Yellowstone National ParkJuvenile Bighorn Sheep casually amble along a precipice near Tower Falls.
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Yellowstone National Park
Fish Identification - Brook Trout

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Brook Trout
Lake Trout Illustration  

Did You Know?
Lake trout are an invasive species of fish that is decimating the native cutthroat trout population in Yellowstone Lake.

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Last Updated: October 30, 2007 at 15:28 EST