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Petroglyph National Monumentimage of volcanoes and flowers
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Petroglyph National Monument
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Volunteers taking photos of petroglyphs
Pika with a mouth full of grass  

Did You Know?
Did you know that pikas harvest grasses so they can survive the long cold winter? These small members of the rabbit family do not hibernate, but instead store their harvest as “haystacks” under rocks in the alpine environment.

Last Updated: September 22, 2006 at 08:35 EST