Monterey Herald article “It’s time for the monarch count!”

Published on November 22, 2016

“Pacific Grove >> With deep concentration, they direct their gaze up the trees that play host to slumbering butterflies, silently counting the orange insects until they share their tally with neighboring volunteers. As monarchs flock to the verdant groves along


Celebrating 20 years of the Western Monarch Thanksgiving Count!

Published on November 11, 2016

As the days get shorter and monarchs make their way to the forested groves along the California coast to settle in for the winter, volunteers for the Xerces Society Western Monarch Thanksgiving Count are preparing to head out to observe


Monarch butterflies and great ways you can help them

Published on November 10, 2016

“Last November, Berkeleyside published an article about a spectacular natural phenomenon seen in Berkeley for the first time: hundreds of monarch butterflies were clustering in the trees of Aquatic Park. This fall, thoughtful reader and independent gardener Toni Cox wrote


Russian explorers first to document monarch butterfly in California

Published on October 30, 2016

200 years ago, monarchs were observed along the CA coast – will they be there two centuries from now? Learn more on the Xerces Society Blog.


Monarchs arriving at the Pacific Grove butterfly grove

Published on October 27, 2016

Monarch butterflies are slowly arriving at the Pacific Grove butterfly grove. Nick Stong, who counts monarch butterflies at Pacific Grove every Saturday, is encouraged by the numbers of butterflies that have arrived in the last few weeks. Read more in


New report on the State of Overwintering Sites in California

Published on July 8, 2016

A report released today by the Xerces Society shows a sharp two-decade decline in the number of monarchs which overwinter along the California coast and prioritizes the top 50 overwintering sites most in need of conservation and management attention. State


Monarch SOS app launched: a new way to collect monarch data

Published on May 5, 2016

A new version of the Monarch SOS app for iPhone is now available through iTunes! This free app developed by Naturedigger includes many monarch citizen science projects and the newest version adds two Xerces projects: Western Monarch Count– for monitoring


Monarch Numbers Up in Mexico, But Still a Long Journey to Recovery

Published on February 26, 2016

Favorable weather boosts Mexican overwintering population but numbers remain relatively low. PORTLAND, Ore., February 26, 2016 — The latest count of monarch butterflies overwintering in Mexico found that the population which will migrate to the United States rebounded again this


Assessment of Western Monarch Butterfly Winter Population Completed

Published on February 4, 2016

The Xerces Society for Invertebrate Conservation, Portland, OR More monarchs reported in Northern California this year, but monarchs are not yet recovered PORTLAND, Ore., February 4, 2016 — Results from a survey of monarch butterfly overwintering sites in California show


New study on the natal origins of overwintering monarchs

Published on January 26, 2016

A new study by UC-Davis illuminates the natal origins of monarch butterflies overwintering in California. The study by Louie Yang (Dept. Entomology at UC-Davis) used stable hydrogen isotope analysis to test tissue samples from 114 butterflies at 4 overwintering locations. The


New data suggests 2015 a good year for monarch butterflies

Published on December 18, 2015

New data suggests the number of monarch butterflies in California has grown this year. That’s good news since the population of this near-threatened species has been thin in recent years. “We are really pleased to see that the number of


Monarch count: Pacific Grove numbers down this year

Published on

The monarch butterflies have returned to Pacific Grove, but this year there may be fewer of them. Volunteers and officials with the Pacific Grove Museum of Natural History recently counted 11,000, down from 18,000 this time last year. That count


Monarch Butterflies of Ellwood Mesa

Published on

Monarch butterflies travel hundreds of miles each fall to bask in the warmth of secluded eucalyptus, Monterey pine and coast live oak groves along the central California coast. They cluster in the hundreds and even thousands, appearing as a mass


Early data from Western Monarch Thanksgiving Count suggests a small increase in butterfly numbers in some parts of the overwintering range

Published on December 14, 2015

Populations of monarch butterflies are still far below historic numbers PORTLAND, Ore., December 14, 2015 — First reports from monarch overwintering sites in California surveyed during the Xerces Society’s Western Monarch Thanksgiving Count suggest that 2015 may have been a


Migrating monarchs bring out citizen scientists in the holiday season

Published on December 5, 2015

Every autumn, the western North American population of monarch butterflies migrates from the lands west of the Rocky Mountains to the coast of California, where they spend the winter at about 200 sites scattered throughout the coastline. Last winter, I


Hundreds of monarch butterflies cluster in Berkeley’s Aquatic Park

Published on November 23, 2015

In late October, Berkeleyside received a tip that thousands of tiny fish were jumping in the waters of Aquatic Park. Less than three weeks later, we received another “scoop” about the park that throngs of monarch butterflies were clustering in


Monarch Welcoming Committee

Published on November 17, 2015

“These butterflies migrate thousands of miles, but the more amazing part is that even with four or five generations between them, they still return to these same branches,” explained Charis Van der Heide, who is a docent at the Coronado


 

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