DevelopingDay 1

Wisconsin-tagged monarchs' migration to Mexico

Update 1 of 1LatestNov 5, 7:03 PM UTCDay 1
Fifteen Wisconsin monarchs reached Mexico. What can their signals tell us?
Tiny radio tags connect Wisconsin butterflies with detections more than 1,000 miles away. They can illuminate migration—but 15 arrivals out of 68 tagged monarchs is not a survival rate.
Watch
Earliest sourceMonarch Watch BlogNov 17, 10:31 PM UTC
What we knew first
- When a butterfly tagged in Wisconsin turns up in Mexico, how much of its journey have we actually learned?

Who reported

Who reported

12 outlets · 20 sources

1 of 12 had reported by this moment

wausaupilotandreview.comFirst to reportwausaupilotandreview.com · Nov 5, 5:30 PM UTC3
Cellular Tracking Technologiescelltracktech.com2
1. Project Monarch Collaboration 2025
2. Project Monarch Press Release - November 17, 2025
Monarch Joint Venturemonarchjointventure.org2
1. Fitted with lightweight trackers, monarchs… • Monarch Joint Venture
2. How the Project Monarch Collaboration came to… • Monarch Joint Venture
Monarch Watch Blogmonarchwatch.org2
1. 2026 TAGGING SEASON NEWSLETTER
2. Monarch Watch Blog » Blog Archive Tracking Individual Monarchs with Radio Tags as Part of the Project Monarch CollaborationNov 17 UTC
Southern Wisconsin Bird Allianceswibirds.org2
1. A new way of tracking monarch migrationsOct 2 UTC
2. Making a difference for monarch butterfliesSep 9 UTC
jsonline.com2
1. New tags produce flood of migration data on monarchs as some already reach Mexico
2. How tiny, solar-powered tags help scientists track monarch butterflies
wimonarchs.org2
1. Late September update: Variation is the Norm – Wisconsin Monarch Collaborative
2. MONTHLY MONARCH UPDATES – Wisconsin Monarch Collaborative
Adopt a Monarchadoptamonarch.org1
1. FAQs

Who's involved

Who's involved

Organizations

Monarch WatchVolunteer science organization
Urban Ecology Centernonprofit organization in Milwaukee, Wisconsin focusing on local urban ecology

Places

Mexico
Milwaukee
Wisconsin