Have Scientists Solved the Mystery of Monarch Migration?
Have Scientists Solved the Mystery of Monarch Migration? Thursday January 10, 2008#spacer{clear:left}#abc #sidebar{margin-top:1.5em}zSB(3,3) Wintering Monarchs in Mexico. Photo: Flickr user rainasun Since the Monarch butterfly’s wintering grounds were discovered in Mexico in 1975, scientists have been trying to figure out how the butterflies navigate to such a precise location. Migrant butterflies, newly emerged from their chrysalids, fly 2,000 miles to a forest in the mountains where they have never been. Even more remarkable, millions of butterflies from locations throughout the eastern United States and Canada all meet in an area of only 70 square miles. Through genetic studies, Professor Steven M. Reppert of the University of Massachusetts Medical School seems to have found
