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Welcome to the Western Monarch Count!

Photo by Candace Fallon, The Xerces Society

Welcome to the Western Monarch Count!
Participating in the Count
  1. Register to Volunteer
  2. Connect with a Regional Coordinator
  3. Receive Training
  4. Prepare to Survey
  5. Monitor Your Site
  6. Submit Your Data
  7. Share Your Experience

Photo by Carly Voight, The Xerces Society.

Participating in the Count
Thanksgiving Count graph for the 2022-23 overwintering season

Total monarchs reported and number of overwintering sites monitored for the Western Monarch Thanksgiving Count from Nov. 1997 to Dec. 2022.

Thanksgiving Count graph for the 2022-23 overwintering season
Slide 6
Slide 6
High Seasonal Decrease Following Severe Winter Storms

The number of western monarchs present at overwintering sites is expected to decrease every year between Thanksgiving and New Years, due to a variety of factors. This year’s 58% seasonal decrease exceeds the typical range of 35–49% observed over the previous six winters. (Graphic: Xerces Society.)

High Seasonal Decrease Following Severe Winter Storms
The Western Monarch Call to Action
  1. Protect and manage California overwintering sites
  2. Restore breeding and migratory habitat in California
  3. Protect monarchs and their habitat from pesticides
  4. Protect, manage, and restore summer breeding and fall migration monarch habitat outside of California
  5. Answer key research questions about how to best aid western monarch recovery.

Photo by Stephanie McKnight, The Xerces Society.

The Western Monarch Call to Action
Overlays