From 2000 to 2020, the number of butterflies fell by 22% across the continental United States. That’s 1 in 5 butterflies lost. The findings are from an analysis just published in the journal Science ...

Dorset-based Butterfly Conservation has also reversed a decline in the area's Adonis Blue butterflies, a species native to chalk environments, through scrub clearance and grazing management.

El Segundo Poet Laureate Kweku Abimbola’s event, “The Land Remembers: El Segundo Blue Butterfly Poetry Walk,” will begin at 10 a.m. Saturday, April 19, in collaboration with the El Segundo ...

said renowned butterfly species including the small tortoiseshell, the chalk hill blue and small copper suffered their worst year ever. It was also the second-worst year, since monitoring started ...

The chalk hill blue butterfly has suffered its worst recorded decline in terms of numbers | Butterfly Conservation More than 9,000 counts recorded zero butterflies, which is a record. More than 80 ...

Polyommatus icarus, also known as a common blue butterfly. Credit: Stefan Pinkert Mountaintops host some of the world’s most diverse butterfly species, but climate change could transform these ...

A Yale-led study warns that global climate change may have a devastating effect on many butterfly populations worldwide, turning their species-rich, mountain habitats from refuges into traps. Think of ...

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.

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.