Add Yahoo as a preferred source to see more of our stories on Google. A Silvery Blue butterfly. Gayle Laird More than 80 years after the iconic Xerces Blue butterfly vanished from San Francisco, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The first insectile casualty of human activity in the United States was ...

It’s been roughly 80 years since the Xerces blue butterfly was last spotted flitting about on pastel wings across coastal California sand dunes. But scientists are still learning about the insect. The ...

More than 20 years of habitat restoration and breeding programs have helped the endangered Karner blue butterfly make a comeback in the pine barrens of upstate New York where it was discovered by ...

There’s a small crowd hovering over the seacliff buckwheat in a native plant garden outside of the Point Vicente Interpretive Center in Rancho Palos Verdes. They’re looking for the El Segundo Blue ...

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 news ...

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 ...