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