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Yellowstone National Park Bear walking on horizon as sun sets.
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Yellowstone National Park
Y is for Yellow-Bellied Marmot
The Yellow-Bellied Marmot stands up to have a look around the side of the hill.

 

 

A lot of people think this is a groundhog or woodchuck. The Yellow-Bellied Marmot is very closely related to the groundhog that is common in the eastern United States. 

 

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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.

Last Updated: July 10, 2007 at 17:54 MST