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 ...

The Fender’s blue butterfly, found only in the Willamette Valley, is moving off the endangered species list. The U.S. Fish and Wildlife Service has announced the butterfly will be reclassified as ...

SAN FRANCISCO (KGO) -- An intrepid group of butterflies is about to help turn the clock back nearly a century in San Francisco's Presidio. Biologist Durrell Kapan, Ph.D. of the California Academy of ...

Butterflies are beautiful creatures that typically have magnificent coloring and are associated with sunshine, flowers, transformation, hope, and freedom. They play important roles in the ecosystem as ...

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. From ...

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 ...

From a butterfly shaped by 40,000 years of isolation to creatures 1,400 feet below the sea, scientists uncovered thousands of new species in 2025 — and these nine discoveries stood out amongst the ...

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 ...

(CNN) — 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 ...