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Good News: The Monarch Butterfly Population Is Growing in California

Western monarch populations reach highest number in decades

The population of western monarch butterflies reached its highest numbers since the year 2000, with more than 335,000 butterflies counted at their California and Arizona overwintering sites during the 26th annual Thanksgiving Western Monarch Count. “We can all celebrate this tally,” Emma Pelton, a conservation biologist at the Xerces Society and western monarch lead said in […]

Scientists look to public for clues to recover monarch butterflies | WSU Insider

February 11, 2021 Photo Cheryl Schultz Researchers created the “Western Monarch Mystery Challenge” to help inform conservation efforts for the plummeting western monarch population. SANTA CRUZ, Calif. Migratory western monarch has declined by more than 99% since the 1980’s. The Xerces Society, an international invertebrate conservation nonprofit, reported that the total number counted in 2020 was down to 1,914, a drop by more than 90% from the prior year a count already below the threshold at which scientists warned the migration may collapse. To help scientists gain insight into migratory monarchs this spring, researchers are inviting the community to participate in the Western Monarch Mystery Challenge. The challenge was started by a group of researchers from Washington State University, Tufts University, University of California at Santa Cruz and the Xerces Society to help fill a critical gap in knowledge about habitat needs of migrating monarchs in the spring. Runnin

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