Natural History Wanderings

Bay Nature reports

The Xerces blue butterfly, long gone from San Francisco, became a symbol of the fight against extinctions. Now scientists are sending in a replacement.

Scientists have schlepped up some silvery blue butterflies, Glaucopsyche lygdamus, from the Monterey area to the Presidio, to stand in for their extinct cousin. Will it take? 

Read more at There’s a New Blue Flitting on Xerces’ Old Turf