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 ...

Among the nearly lost is a butterfly with a one-inch wingspan called Fender’s blue. Endemic to this valley, a Fender’s blue–type specimen—used by scientists to describe a species—was ...

A South Bay non-profit is offering multiple educational tours to help community members observe the endangered butterfly in ...

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." ...

Or rather, she made it right, building a net out of a community of friends and her devotion to resurrecting a cerulean-blue, thumbnail-size butterfly once believed extinct — the Palos Verdes blue.

More than eight decades ago, a mesmerizing butterfly with iridescent cobalt wings and stunning spots called the Xerces blue vanished from San Francisco. When it disappeared, the Xerces became ...

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 ...