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SilveryBlue_MG_3209_GL_CAS_4K (1)

Silvery Blue butterfly (Glaucopsyche lygdamus)—the closest living relative of the extinct Xerces Blue butterfly (G. xerces)—released in the sand dunes of the Presidio in California in 2024.

Silvery Blue butterfly (Glaucopsyche lygdamus)—the closest living relative of the extinct Xerces Blue butterfly (G. xerces)—released in the sand dunes of the Presidio in California in 2024 | © Gayle Laird

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