'(<a href="http://www.j-archive.com/media/2007-04-05_J_14.jpg" target="_blank">Kelly of the Clue Crew reports in front of a map of the United States.</a>) For these insects, autumn is a time to congregate in Michoacan, Mexico, where they're a major eco-tourist attraction'
monarch butterflies
MIGRATION: For these insects, autumn is a time to congregate in Michoacan, Mexico, where theyre a major eco-tourist attraction
For these insects, autumn is a time to congregate in Michoacan, Mexico, where they're a major eco-tourist attraction
For these insects, autumn is a time to congregate in Michoacan, Mexico, where they're a major eco-tourist attraction
MIGRATION
monarch butterflies
MIGRATION