After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years. Finally, in 1999, a cheer went up ...

The Smith's blue butterfly may be tiny, but it's endangered in a big way. It spends its whole life within a few hundred yards of two native plants, seacliff buckwheat and coast buckwheat — and is ...

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.

With no sightings in two years, the rare Ogasawara blue butterfly, named after its island chain natural habitat far south of Tokyo and designated a national natural treasure, is considered extinct ...

In between the ponderosa pine and white fir trees on the Spring Mountains of Southern Nevada lives an endemic blue butterfly. Due to population decline and habitat loss, the Mount Charleston blue ...

Pretty much the first two-thirds away from the ocean was all dunes. That was a perfect habitat for a butterfly, a little blue butterfly, that flew, feeding on a specific host plant called deer weed.