Nomads of the Wind: The Migration of the Monarch Butterfly and Other Wonders of the Butterfly WorldBehind the fragile beauty of butterflies lie astonishing feats and talents, some familiar, some unknown, many documented here in amazing detail. Perhaps the most incredible feat of all is the 2,000 mile migration of the Monarch Butterfly. Once a year millions of a special long living generation of Monarchs migrate from the north eastern United States and southern Canada to the Oyamel fir forests of Mexico, where they survive the winter. But then, as