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California Academy of Sciences and Presidio Trust repopulate sand dunes with relative of extinct Xerces Blue butterfly

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Where the Xerces Blue Was Lost, Its Closest Relative Has Been Restored
Image caption: The Silvery Blue butterfly (Glaucopsyche lygdamus) is the closest living relative to the extinct Xerces Blue butterfly. Image credit: Gayle Laird © California Academy of Sciences. Press release: California Academy of Sciences – April 15, 2024. Media contacts: Megan Ely and Lisa Petrie.

Four years in the making, the historic reintroduction was made possible by a multi-organization effort to restore the Presidio’s native dunes and identify the Xerces Blue’s closest living relative

SAN FRANCISCO, CA (April 15, 2024) — In a historic reintroduction that further restores native ecosystems in San Francisco, the California Academy of Sciences and Presidio Trust released Silvery Blue butterflies (Glaucopsyche lygdamus) — the closest living relative of the extinct Xerces Blue butterfly (G. xerces) — last week in the sand dunes of the Presidio, a national park site. […]