Western Monarch Count Monitoring Periods for 2024-2025:

Select Language

Content originally written in English & translated by Google. Accuracy may be limited due to automated translation.

Monarch Butterflies Overwintering. Photo by Lisa Damerel.

Western Monarch Count

A community-powered initiative to track overwintering western monarchs & their habitat.

"*" indicates required fields

Photo by Lisa Damerel

Western Monarch Count

A community-powered initiative to track overwintering western monarchs & their habitat.

"*" indicates required fields

Photo by Lisa Damerel

Early-season count:

Oct 19 – Nov 3, 2024

Mid-season count:

Nov 16 – Dec 8, 2024

Late-season count:

Dec 28, 2024 – Jan 12, 2025

Have You Registered this Year?

Annual registration is required for all participants.

Report threats or damage to overwintering habitat.

Notify us of important issues right away.

Report Damages or Threats to Overwintering Sites

The Western Monarch Count website is administered by the Xerces Society for Invertebrate Conservation on behalf of the Western Monarch Count. The Xerces Society is a donor-supported nonprofit organization that protects our world through the conservation of invertebrates and their habitats.