Humans wiped out a native San Francisco butterfly. Now another species is filling its 'big blue shoes'

7 months ago 5

ARTICLE AD BOX

For decades, conservationists have been restoring the biodiversity of San Francisco's coastal dunes. But a key piece of the puzzle was missing — until now. 

1. Homepage
2. World News
3. Humans wiped out a native San Francisco butterfly. Now another species is filling its 'big blue shoes'