The caterpillars he was trying to find are so small ... a mesmerizing butterfly with iridescent cobalt wings and stunning spots called the Xerces blue vanished from San Francisco.

changes to many traditional habitats have meant that the kidney vetch has started to die out in areas and therefore so has the small blue," said Paul Kirkland, the director of Butterfly ...

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 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 ...

It remains on the list as "threatened." The butterfly effect theorizes that small events — the fluttering of the delicate wings of a Fender's blue butterfly as it lands on a Kincaid's lupine, ...

The results come just in time for Small Blue Week in Scotland, which runs from May 31 to June 7 and aims to raise awareness of the beleaguered but beloved butterfly. Tracy Munro, Butterfly ...

Dorset Council has approved planning permission for banks to be set up at Black Bush Down near Cranborne for the small blue butterfly. Conservationists say the species lives in the area ...

The results come just in time for Small Blue Week in Scotland, which runs from May 31 to June 7 and aims to raise awareness of the beleaguered but beloved butterfly. Tracy Munro, Butterfly ...