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Yellowstone National ParkRoosevelt Arch is at the park's North Entrance
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Yellowstone National Park
U is for Uinta Ground Squirrels
The uinta ground squirrel pops out of its hole to check its surroundings.

 

 

These ground squirrels hibernate for most of their lives. They spend most of the year sleeping in their underground homes and only come out for a few months in the summer. 

 

 
Summer Crowd at Old Faithful.  

Did You Know?
At peak summer levels, 3,500 employees work for Yellowstone National Park concessioners and about 800 work for the park.

Last Updated: July 10, 2007 at 16:31 EST