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Yellowstone National ParkAerial photo of wolf pack in snow.
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Yellowstone National Park
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Yellowstone Wolf.  

Did You Know?
There were no wolves in Yellowstone in 1994. The wolves that were reintroduced in 1995 and 1996 thrived and there are now over 300 of their descendents living in the Greater Yellowstone Area.

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Last Updated: July 25, 2006 at 00:23 EST