Reporting from Northern Mexico
Rocío Treviño coordinates Mexico's migration-tracking program, Correo Real. Her network of observers share sightings from northern Mexico. The reason Rocio began her project is a fascinating story. In her hometown every fall, thousands of butterflies would flood the skies for a few weeks in October. At the time, nobody knew at the time where the monarchs were going. Read what happened...
Señora Rocío Treviño