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National Park Service
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Did You Know?
A new species of dragonfly, the St. Croix Snaketail, was discovered within St. Croix NSR in 1989. It has only been found to reproduce in one other river in Wisconsin. It prefers large streams with fast flow and clean water, abundant cobble and gravel with sand bottoms in forested watersheds.
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Last Updated: July 25, 2006 at 00:22 EST |