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Hawai'i Volcanoes National Park Native hapu`u tree ferns abound in the rain forest
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Hawai'i Volcanoes National Park
Hawaiian Hoary Bat

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`a`a flowing over an older flow of pahoehoe.

Did You Know?
The two types of Hawaiian lava differ in appearance but are chemically alike. Pahoehoe has a smoother and ropey surface where a`a is jagged and clinkery.

Last Updated: July 25, 2006 at 00:22 MST