The Xerces blue butterfly went extinct along the San Francisco coast some 80 years ago. But scientists have identified a ...

Here is the list of most breathtaking and beautiful butterfly species in the world. The black swallowtail, also known as the eastern black swallowtail or American swallowtail, has black wings ...

The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species ...

A recent study combining data from more than 76,000 surveys from 35 monitoring programs across the country found butterfly populations declined 22%.

A comprehensive study of U.S. butterfly populations shows dramatic declines in most species, but Pacific Northwest ecologists ...

A new study compiling butterfly surveys across the country found a 22% overall decline, while seven species found in Maine ...

Gayle Anderson reports the Butterfly Pavilion takes flight at the Natural History Museum of Los Angeles County (NHM) for the ...

The exhibit, running from March 29 to April 20, showcases a diverse collection of butterfly species, from the iridescent Blue Morpho to the masterfully camouflaged Seasonal Leafwing Butterfly.

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.

Seven butterfly species found in Maine are experiencing ... Katahdin Arctic and the boreal forests favored by Northern Blue, a species of special concern. Herb Wilson, a retired Colby College ...