Skip to main content
x

monarchs

DeWind Alumnae Publish Three New Research Papers about Monarch Butterflies

Together, these publications contribute to our growing understanding of how human actions can hurt—or help—monarchs.

Western Monarchs: Notes from the Field

Staff from the Xerces Society and our partners have been keeping close eyes on the imperiled western monarch population at study sites in California, Nevada, Oregon, Washington, and Idaho as part of a multi-year collaborative research project.

Pollinator Conservation Program Digest – September 2019

September’s featured staff members have been providing Monarch and Pollinator Habitat Kits to select organizations in California, training Colorado Department of Transportation staff on roadside pollinator habitat, and attending the America’s Grasslands Conference, held this year in North Dakota.

Insects Lose as Trump Administration Weakens the Endangered Species Act

These new regulations will make it much harder to protect and recover the animals that are struggling to survive and need our help the most.

Community Science Powers New Western Monarch Studies

Western monarch researchers and community scientists have been busy, contributing information vital to understanding the situation facing this imperiled population.

Working to Conserve Monarchs from Coast to Coast

The Xerces Society is working across the U.S. to conserve this beloved species, and there are a number of ways you can help!

New iNaturalist Project Makes it Easier to Submit Data to the Western Monarch Milkweed Mapper

We need all hands on deck this season, to better understand the hurdles facing the imperiled western monarch population!

How to Support Monarch Butterfly Conservation—During Earth Week and Beyond!

Helping the monarch back to full health isn’t going to be easy or quick, but together we can transform the landscape to allow the monarch to rebound—and give our children the gift of watching orange wings flap in the sunshine.

Announcing the 2019 DeWind Awardees

The Xerces Society is happy to announce the 2019 DeWind awardees: Niranjana Krishnan, a PhD candidate at Iowa State University, and Molly Wiebush, a master’s student at Florida State University.

Community Scientists Can Help Support Imperiled Western Monarchs

While hiking in California and the rest of the West, you can help researchers by submitting any and all monarch and milkweed observations this year to the Western Monarch Milkweed Mapper website.

Photo Essay: Trinational Monarch Meeting and Exploring Mexico’s Monarch Overwintering Sites

Xerces Society Endangered Species Conservation Biologist and Western Monarch Lead Emma Pelton recounts her recent experience in Mexico with this photo essay.

New Year’s Count of Western Monarchs Confirms Decline, Trends Seen in Previous Years

Overall, the count data revealed an average decrease of 38% between the Thanksgiving and New Year’s counts.

Record Low Number of Overwintering Monarch Butterflies in California—They Need Your Help!

We urge you to join us and our colleagues in the western monarch science and conservation community in taking meaningful, swift action to help save western monarchs.

Early Thanksgiving Counts Show a Critically Low Monarch Population in California

The California overwintering population has been reduced to less than 0.5% of its historical size, and has declined by 86% compared to 2017.

Western Monarch Numbers Expected to Be Low this Year

What can you do to help the monarch? Protect habitat, avoid pesticide use, plant gardens, and contribute data to Xerces-led community science efforts.

The Striking Beauty of Oklahoma’s Butterflies

Oklahoma’s impressive butterfly fauna of more than 170 species includes the nation’s largest and the smallest, and representatives of all six major butterfly families.

Keep Monarchs Wild: Why Captive Rearing Isn’t the Way to Help Monarchs

Instead of rearing—which is risky and unproven in helping monarchs—we should focus on more effective, science-backed ways to conserve these glorious wild animals.

Lincoln Brower: A Life Well Spent

Remembering a ground-breaking monarch researcher, a passionate advocate for monarchs, and a beloved member of the conservation community.

Managing for Monarchs in the West

A new guide to protecting the monarch butterfly from the Pacific to the Rockies presents a holistic approach to monarch conservation.

10 Ways to Celebrate Earth Day

Here are some ways you can work to promote a healthy planet for invertebrates and the people they let share their planet.

Tropical Milkweed—a No-Grow

Milkweed is in demand, and that demand has been filled in recent years by tropical milkweed, a non-native species. But is planting tropical milkweed potentially doing more harm than good?

Second New Year's Count Supports Monarchs' Movement Between Sites

The Xerces Society's Western Monarch Thanksgiving Count provides a long-running record of the number of monarchs overwintering in California-including the steep decline of recent decades.

Newly Released Monarch Overwintering Site Management Plan Provides Blueprint for Protecting and Managing Monarch Groves

This western monarch butterfly overwintering site management plan also serves as a template for land managers at other overwintering sites.

Very Low Numbers of Monarchs Overwintering in California may Reflect an Unusual Fall

Unusual fall weather may have contributed to the lowest overwintering western monarch population recorded since 2012.

1.3 Billion Stems of Milkweed Needed in Midwest to Recover Monarch Population

A new study from the USGS, Univ. of Arizona, and partner organizations finds 1.3 additional milkweed stems are needed in the Midwestern U.S. to recover monarch butterfly populations.

2017 Monarch Numbers Are Down, Lengthening a Worrying Trend

A documented 74% decline in the California overwintering population since the late 1990s mirrors the steep decline, estimated at 80–90%, of the number of butterflies in Michoacán over the same period.

Western Monarch Conservation: A 40 Year History

For 40 years, the monarch migration phenomena has been recognized as a conservation priority.

To Save Monarchs, We Need More than Just Milkweed

Adult monarchs need nectar to fuel them during spring migration and breeding and to build up stores of fat which sustain them during fall migration and winter.

Five Lesser-Known Places to See Monarchs Overwintering in California

While you may be familiar with the impressive monarch clusters, family-friendly amenities, and helpful docents at Pismo Beach, Pacific Grove, Natural Bridges, and Ardenwood Historic Farm, there are many more places monarchs overwinter along the coast.

Monarch Butterflies in the Western United States

Much of the focus on monarch butterflies is on the eastern population. Monarchs in western North America are in greater decline and need conservation help.