Eastern Monarch Butterfly Population Falls to Less than One Hectare in the 2023-2024 Overwintering Season
Monarch butterflies occupied 0.9 hectares, 1.31 less than the 2.21 hectares in the 2022-2023 overwintering season. This is the first time since the 2013-2014 overwintering season that the eastern monarch population has occupied less than one hectare.Learn More
Western Monarch Count Declines
Over 400 volunteers surveyed 256 overwintering sites this winter, tallying a total of 233,394 monarch butterflies across the western overwintering sites.Read More
Monarch Conservation Webinar Series
Join us for the next webinar on January 23rd at 1:00 PM CST, Community Engagement in Monarch Conservation through the Arts. Presented By: Yesenia Juarez, Fiber artist and founder of Little Village Busy Bee, and Carolina Benitez and Veronica Nieto of El Valor.Register
Online Monarch Larva Monitoring Program Training Events
Become a community scientist with MLMP! The MLMP team from MJV and the UW-Madison Arboretum co-lead virtual one-day training on how to collect data that contributes to our knowledge about the monarch population. 2024 Training Dates: Jan. 31 (Western Region) Feb. 24 (Southern Region) April 18 (Northern Region)View Details
Monarchs and More Western Habitat Program Now Accepting Interest Forms
The Monarchs and More Western Habitat Program (M&MWHP) provides regionally specific seed mixes, milkweed plugs when appropriate, and technical assistance for pollinator plantings on land in California and Southern Oregon for free or highly subsidized based on land steward need.Learn More
Merjent Joins the MJV Network
The MJV is thrilled to welcome Merjent to the partner network!Merjent Joins the MJV Network
Partnerships & Pollinators: Mississinewa Habitat Project
Exciting developments are underway on Indiana's public lands as partnerships and pollinator habitats continue to flourish, thanks to the generosity of the Duke Energy Foundation, Bendix Commercial Vehicle Systems, and multiple partners.Read the Blog
IUCN Changes Migratory Monarch Status from Endangered to Vulnerable
The IUCN has changed the status of the migratory monarch. Learn about the reasons for this decision and the current status of the migratory monarch.View Details
Introducing the Monarch NECTAR Hub: Network for Education on Conservation, Training, and Research
The MJV is excited to introduce the Monarch NECTAR Hub: Network for Education on Conservation, Training, and Research—a place where your learning journey takes flight.Learn 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 across North America.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.
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