Published: 05/31/2023

Migrating Monarchs

The leading edge of migration is hovering between latitude 46–49°N. Southern Ontario and Manitoba are hotspots of activity. At this same time last year, there were no reports yet from Manitoba.

Explore our Monarch Adult (FIRST sighted) map to compare migration year-to-year.

Western Monarchs Update

New sightings were few as monarchs near the end of their spring migration. But Dr. David James journeyed to Trinity River in Northern California and shares his report.