Track Monarch Butterfly Migration

Weekly Migration News: August 23 - November 15, 2018

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; spring migration from March to June. Find out what to report each spring and fall. 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 2018

Watch the season’s story unfold.