NEW! Mini Monarch Essentials Course
Join the Monarch Joint Venture for a self-paced online course to learn about monarch butterfly biology, life cycle and identification, migration and overwintering biology, threats, as well as the conservation actions that you can take to help protect this iconic species.Learn More
Ultra-marathoner Anthony Battah is following the eastern monarch migration from Canada to Mexico with the aim of drawing attention to the existential threat facing this important pollinator. The athletic challenge is immense: Anthony will cross 3 countries (Canada-USA-Mexico) and cover 4500 km in 90 days, averaging 50 km per day. He departed from Montreal on July 29, 2023, and plans to arrive on November 1, 2023, at the Monarch Butterfly Biosphere Reserve in central Mexico.Learn More and Support
Farmers for Monarchs joins the MJV Network
We are excited to share that Farmers for Monarchs has joined the partnership!Read More
Monarch Joint Venture and tentree Join Forces for the 2023 Spring Free Milkweed Plug Giveaway
In January 2023, the Monarch Joint Venture (MJV) partnered with tentree to launch an exciting initiative aimed at conserving the monarch butterfly migration.Read More
Eastern Monarch Butterfly Population Decreases In the 2022-2023 Overwintering Season
The presence of monarch butterflies in Mexico’s oyamel fir forests this past winter was 22% less than the previous year, according to the most recent survey led by the World Wildlife Fund (WWF) Mexico. Monarch butterflies occupied 2.21 hectares, 0.63 less than the 2.84 hectares in the 2021-2022 overwintering season.View Details
Western Monarch Populations Increase for the Second Year, but Our Work is Not Done
Over 250 volunteers surveyed 272 overwintering sites this winter, tallying a total of 335,479 monarch butterflies observed across the western overwintering sites, an increase of 88,242 monarchs!View Details
In the face of DECLINES in monarch numbers and habitat availability
MJV partners are pooling their efforts to protect monarch and pollinator habitat in the U.S.MJV Newsletter Sign-up
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.
Frequently Asked Questions
Find answers to frequently asked questions about monarchs and pollinator habitat.
Support our work when you order habitat signs, monarch books, educational materials, t-shirts and more!
Support monarch conservation through the Monarch Joint Venture. Your gift supports education, effort coordination, research, and expansion of habitat across the United States.