Category: News

By Isis Howard on March 2, 2022. Western Monarch population experiences seasonal winter decline, but remains higher than previous years. The Western Monarch New Year’s Count serves as a follow-up to the annual Thanksgiving Count to help scientists better understand how the …

New Year’s Count Of Western Monarchs Tracks Population Decline During Overwintering Season Read More »

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Expert contact: Emma Pelton, Senior Endangered Species Conservation Biologist and Western Monarch Lead, the Xerces Society; 503-212-0706; [email protected] Media contact: Deborah Seiler, Communications Director, the Xerces Society; 503-212-0550; [email protected]  Western monarchs rebound to final tally of nearly 250,000 butterflies PORTLAND, …

Press Release: Western Monarch Thanksgiving Count Totals for 2021 Read More »

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By Isis Howard & Emma Pelton on January 24, 2022 Launched in 1997, the Xerces Society’s Western Monarch Thanksgiving Count celebrates its 25th year of community science with a surprising and remarkable outcome: 247,237 monarch butterflies observed across western overwintering …

Western monarchs rebound to final tally of nearly 250,000 butterflies Read More »

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Migratory western monarchs are being reported at their overwintering sites in coastal California in greater numbers than last year, giving hope for the struggling population. At overwintering sites in Pacific Grove, Pismo Beach, and a private site in Big Sur, …

The Bounciness Of Butterflies Read More »

Western monarchs are showing up along the California coast in greater numbers than last year’s historic low. Migratory western monarchs are being reported at their overwintering sites in coastal California in greater numbers than last year, with hundreds at some …

Early Signs of Hope as Monarch Butterflies Return to California Overwintering Sites Read More »

Hello Western Monarch Thanksgiving and New Year’s Count Community! Thank you for being a part of this incredibly important community science program! This remarkable volunteer effort collects invaluable data that gives researchers and conservationists a reliable picture of the western …

Western Monarch Thanksgiving Count: Nov. 13 – Dec. 5, 2021 Read More »

Many insect pollinators are declining in California, including bees and butterflies. The population of western monarch butterflies has declined 99.9% since the 1980s, due to a variety of reasons, including habitat loss and degradation, pesticides, and climate change. One important …

California Monarch and Pollinator Habitat Kits Read More »

A new study “Fewer butterflies seen by community scientists across the warming and drying landscapes of the American West” published in the Journal Science last week paints a dim picture for western butterfly species. The study found that butterfly abundance …

Western butterflies declining as climate gets warmer, drier Read More »

By Stephanie McKnight on 1 March 2021 Many people have been seeing and reporting fairly large numbers of monarchs, both adults and caterpillars, all winter long in gardens on the California Coast this year. Since there haven’t been any formal …

Resident Monarch Populations on the Rise in California: What Does this Mean for the Western Migratory Population? Read More »

By Stephanie McKnight on 1 March 2021 Western Migratory Monarch Population Needs Extraordinary Level of Conservation to Persist. Since 1997 volunteers have conducted counts of overwintering monarchs for the Xerces Society’s annual Western Monarch Thanksgiving Count. As a way to …

Fifth Annual Western Monarch New Year’s Count Confirms Continued Decline in Western Monarch Population Read More »