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 ...

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 ...

TWIN LAKE, MI – Several small, silvery-winged butterflies flitted among the native spotted bee balm and butterfly milkweed growing under the hot, summer sun at Muskegon State Game Area. Wildlife ...

SAN FRANCISCOSAN FRANCISCO — More than 80 years ago, a beautiful butterfly called Xerces Blue that once fluttered among San Francisco’s coastal dunes went extinct as stately homes, museums and parks ...

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 ...

There are nearly 20,000 butterfly species divided into six families. They are spread across every continent except for Antarctica. Among those 20,000 species, there are many unique butterflies. There ...

The Atlas blue butterfly, also known as Polyommatus atlantica, has been genetically confirmed as having the highest number of chromosomes out of all multicellular animals in the world. This insect ...

Thursday, March 14, is National Learn About Butterflies Day. So let’s see what you already know. ∎ Did you know there are over 20,000 species of butterflies? ∎ Did you know that some butterflies live ...

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 ...

Read full article: Here’s a schedule of services for the City of San Antonio on Labor Day Isolated storms are possible this evening, mainly along and north of I-10. SAN FRANCISCO – More than 80 years ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN FRANCISCO (AP) — More than 80 years ago, ...