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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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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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In the face of DECLINES in monarch numbers and habitat availability

MJV partners are pooling their efforts 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!

Donate

Support monarch conservation through the Monarch Joint Venture. Your gift supports education, effort coordination, research, and expansion of habitat across the United States.