Track Monarch Butterfly Migration

Report your sightings each fall and spring as the monarchs travel to and from Mexico. Track migration on real-time migration maps and follow the migration news. Fall migration extends from August to November. Find out what to report. Scientists rely on the help of citizen scientists to understand the monarch’s conservation needs. Your observations make a valuable contribution — and help tell the dramatic story of the monarch’s journey to Mexico. More…

Migration News Fall 2017

Watch the season’s story unfold.