A butterfly that went extinct decades ago after the destruction of its Bay Area habitat is now the driving force behind its ...

Fender’s blue butterfly was first collected in 1929. Within 50 years, ... How had this delicate creature, with its tissue-thin wings and sunflower-seed sized body, ...

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 ...

A 93-year-old Xerces blue specimen’s DNA shows that the butterfly is a distinct species, making it the first U.S. insect humans drove to extinction.

The butterfly was downlisted on the federal Endangered Species List in February and reclassified as "threatened." A little background Fender’s blue butterflies are found only in Oregon’s ...