Eastern Monarch Numbers Increase, But Conservation Efforts Still Critical

The eastern monarch butterfly population in Mexico’s oyamel fir forests this past winter occupied 1.79 hectares, according to the latest survey released by the World Wildlife Fund-Telmex Telcel Foundation Alliance (WWF) and the National Commission of Protected Natural Areas in Mexico (CONANP). This represents a 99% increase from last year’s 0.9 hectares in the 2023-2024 overwintering season.

Charting a New Path: Journey North Migrating to Monarch Joint Venture

As we look toward spring and the arrival of cherished seasonal events such as migration and spring blooms, we are pleased to announce that Journey North will move from the UW–Madison Arboretum to the Monarch Joint Venture.

Western Monarch Population Continues to Decline

The 28th annual Western Monarch Count has reported a peak population of just 9,119 butterflies this winter.

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FREE Monarch Conservation Webinar Series

Stay connected with the latest monarch conservation topics by attending our free monthly webinars. This series is a unique opportunity to hear from experts across various interdisciplinary fields related to monarchs, other pollinators, their habitats, and the threats and pressures that make conservation urgent. Bring your questions and get ready to discover how you can get involved to protect monarchs. All webinars are one hour long and occur at 1:00 PM Central Time

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USFWS Seeks Public Input on Monarch Butterfly ESA Listing

The U.S. Fish and Wildlife Service (USFWS) has announced a proposed rule to list the monarch butterfly as threatened under the Endangered Species Act (ESA), accompanied by a 4(d) rule and critical habitat designation. As part of this process, the USFWS is seeking public input during a 90-day comment period, open from December 12, 2024, to March 12, 2025.

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MJV Calls for Increased Collaboration as USFWS Proposes Monarchs as a Threatened Species

The U.S. Fish and Wildlife Service has announced a proposed rule to list the monarch butterfly (Danaus plexippus) as threatened under the Endangered Species Act, accompanied by a 4(d) rule and critical habitat designation.

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Remote Sensing on Energy and Transportation Rights-of-Way

As habitat loss threatens monarch butterfly populations, the Monarch Joint Venture uses remote sensing technology to assess pollinator habitat along energy and transportation rights-of-way in Minnesota to inform conservation efforts and future restoration opportunities.

In the face of DECLINES in monarch numbers and habitat availability

MJV partners are collaborating to protect monarch and pollinator habitat across North America.

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Habitat Conservation

The Monarch Joint Venture Habitat Program is dedicated to building, establishing, restoring, and enhancing monarch habitat throughout the country.

Education & Outreach

Monarch Joint Venture's education program began in 2019 and plays a large role in helping MJV achieve its mission to protect and conserve the monarch butterfly and its migration.

Research & Monitoring

Through scientific research and monitoring, we can better understand North American monarch population trends and the many factors influencing their decline.

Online Learning

At the Monarch NECTAR Hub, a network for education on conservation, training, and research, you can take online courses at your own pace.

MJV Store

Support our work when you order habitat signs, monarch books, educational materials, t-shirts and more!

Resiliency Fund

Invest in the future of monarch conservation by contributing to the MJV Resiliency Fund today.