Monarch Butterfly Migration

Monarch Butterfly Migration Map: Overnight Roosts

  Monarch Butterfly Migration

Print Migration Map

 

This monarch butterfly migration map shows all adult butterflies reported as of August 1st, including pre-migration sightings. Migration begins by mid-August in the northern monarch breeding range.

 
Migration Map ArchivesMonarch Butterfly: None or Few SightedMonarch Butterfly Fall Migration Overnight RoostsMy SightingsJourney North Migration Map ArchivesMonarch Butterfly ResourcesMonarch Butterfly Migration NewsMonarch Butterfly Home PageView List of Monarch SightingsReport Your SightingsWhat to ReportMigration Map AnimationMonarch Butterfly Peak MigrationMonarch Butterfly Eggs and LarvaeMonarch Butterfly Other Observations Monarch Butterfly Migration and Pre-Migration