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Filling the ecological gap of an extinct butterfly

CBS America · New
CBS America
CBS America
New

About a century ago, the tiny Xerces blue butterfly went extinct, but a new effort is taking flight to help the Xerces' closest living relative fill the ecological role left by its extinction. Juliette Goodrich reports for tonight's weekend journal.

Breakdown
  • The Xerxes blue butterfly, once common in San Francisco, became extinct due to habitat loss. 5s
  • Researchers have restored sand dunes in the Presidio and released silvery blue butterflies, the Xerxes' closest living relative. 48s
  • The project aims to fill the ecological gap left by the Xerxes, including pollination and supporting local food webs. 1m 21s
  • About 50 silvery blue butterflies have been released so far, with some already observed laying eggs. 2m 13s
  • The effort is seen as a step toward building ecosystem resilience amid climate change. 2m 4s
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