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Monarch Butterfly Migration
October 01, 2014 1:06 PM
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White and orange monarchs from Hawaii raised by biologist John Stimson in the 1980’s. (Photo credit: Wei Zhang)
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Scientists have discovered the gene responsible for the monarch's bright orange color, a warning sign to predators. (Credit: Pat Davis)
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Monarchs arrive in Mexico after the long journey from eastern North America. (Credit: Natalie Tarpein)
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University of Chicago Assistant Professor Marcus Kronforst hunting butterflies on the university campus. (Credit: Robert Kozloff)
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Monarch Butterfly Migration
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