OAKLAND, Calif. - In the San Francisco Bay Area, the Xerces blue butterfly went extinct along the San Francisco coast some 80 years ago, but now the California Academy of Sciences and the Presidio ...

The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species that went extinct and disappeared from the San Francisco coastline. Through ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years. Finally, in 1999, a cheer went up ...

According to the Environment Ministry’s red list on endangered species, the Ogasawara blue butterfly was categorized as “Critically Endangered,” meaning it is highly likely to go extinct in ...

Cal Academy of Sciences and The Presidio join conservation efforts to bring blue butterflies back to San Francisco coast. Genetic sequencing links Silvery blue butterflies to extinct Xerces blue.