On a shrub-covered dune in San Francisco’s Presidio, biologist Durrell Kapan and a group of volunteers huddle around a tiny plastic condiment container placed delicately amid a cluster of ...

The Fender’s blue butterfly has fluttered away from the brink of extinction. The species, once so rare it was thought to be extinct, is no longer considered endangered, according to a January 11 ...

If so, what creatures should serve as surrogates for extinct ones ... a symbol for British butterfly conservation. Pyle, an American, thought of the Xerces blue. “We should make that our ...

Corrections & Clarifications: The article has been updated to correctly reflect the Fender's blue butterfly's downlisting on the Endangered Species List. It remains on the list as "threatened." ...

The Xerces was the first known invertebrate to go extinct in North America. It became the namesake of the Xerces Society for Invertebrate Conservation. So working on putting a blue butterfly back ...

Atala butterflies were believed to be extinct from 1937 until some ... The underside of an Atala butterfly’s wing has three rows of blue or green spots and a large red spot on the hind wing ...

A butterfly once thought to have gone extinct is now thriving in Britain after 150 years. Thousands of the large blue butterfly have been recorded in south-west England, thanks to a conservation ...

Their numbers continue to decline, and they are predicted to be federally endangered. The karner blue butterfly is a federally endangered butterfly and only puts its larvae on wild blue lupine ...