KTVU FOX 2 on MSN6d
Blue butterflies back in San Francisco, after Xerces extinction
The Xerces blue butterfly went extinct along the San Francisco coast some 80 years ago. But scientists have identified a ...
Blue butterflies return to San Francisco Presidio, 80 years after Xerces species extinction
The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species ...
North Country Public Radio11d
Monarch butterfly population doubles
The number of monarch butterflies overwintering this year in Mexico has nearly doubled, according to the annual census data ...
AOL22d
Butterfly populations disappearing at ‘dire’ rate
One of the hundreds of species impacted is the monarch butterfly, which was recently estimated by the Xerces Society for Invertebrate Conservation to have a population of fewer than 10,000 ...
USA Today19d
Eastern monarch butterfly numbers in Mexico have nearly doubled since last winter.
This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch butterfly populations ... seen a decline. The Xerces Society for ...
KEYT24d
Butterfly Crisis: U.S. and Central Coast Populations Plummet
Butterfly populations across the United States ... only four remain, according to the Xerces Society for Invertebrate Conservation. The study also found that 107 species declined by more than ...