Author: Xerces Society

Each year, during a three-week period around Thanksgiving, scores of volunteers fan out through coastal California to find and count overwintering monarch butterflies as part of the Western Monarch Thanksgiving Count. The results are eagerly awaited, as the count provides the …

Preliminary Thanksgiving 2018 count results Read More »

FOR IMMEDIATE RELEASE Contacts: Sarina Jepsen, Endangered Species Program Director, The Xerces Society for Invertebrate Conservation, (971) 244-3727, [email protected] Emma Pelton, Conservation Biologist, Endangered Species Program, The Xerces Society for Invertebrate Conservation, (503) 232-6639, [email protected] Western Monarch Butterflies Continue to …

Western Monarch Butterflies Continue to Decline Read More »

“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 …

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

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 …

Celebrating 20 years of the Western Monarch Thanksgiving Count! Read More »

“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 …

Monarch butterflies and great ways you can help them Read More »

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.

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 …

Monarchs arriving at the Pacific Grove butterfly grove Read More »

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 …

New report on the State of Overwintering Sites in California Read More »

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 SOS app launched: a new way to collect monarch data Read More »

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 …

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