Migrating Monarchs: Making Connections Along the Way

by Sue SlotterbackMonarch tagging began in 1940, in efforts to learn where monarch butterflies went during the winter. It took 36 years before the first tagged monarch was finally seen… in Mexico! Last February, I got a chance to travel to Mexico to see millions of monarch utilize these special overwintering sanctuaries in Mexico. The monarchs I saw were the very same monarchs that had passed through Stone Harbor just a few months prior. It took four to five generations for the...