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Making America's Best Idea Even Better
Isle Royale National ParkAerial of the northeastern edge of Isle Royale
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Isle Royale National Park
Lichens
To learn more about the lichens of Isle Royale National Park, click here.
Eastern Gray Wolf portrait.  

Did You Know?
The Ecological Study of Wolves on Isle Royale is the longest running large mammal predator-prey study on earth. The park offers outstanding possibilities for research in a remote, relatively simple ecosystem where overt human influences are limited.

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Last Updated: July 23, 2006 at 15:22 EST