For the El Segundo blue, the LAX Dunes has a short, dog-friendly path on the north side ... butterfly’s existence there in 1975. While the preserve is closed to the general public, visitors can ...

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 ...

The morpho butterfly ... But back to the blue. It isn't actually a pigment. Instead, this is known as structural coloration and it's all about tricks of light. The blue side of the wing is covered ...

It’s been roughly 80 years since the Xerces blue butterfly was last spotted flitting about on pastel wings across coastal California sand dunes. But scientists are still learning about the insect.

The insect, the Xerces blue butterfly, died out in the mid-20th century as a result of pronounced habitat loss, according to the Florida Museum of Natural History. Its extinction raised awareness ...