One year ago, a team of earnest conservationists released a few dozen silvery blue butterflies at the Presidio, hoping they ...

The blue morpho is the largest butterfly at 6 to 8 inches. They are hard to miss. “They have a much larger wingspan, and their wings are not clear,” Dunham said. “They’re two different colors.

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 ...

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 ...

Genetic sequencing links Silvery blue butterflies to extinct Xerces blue ... we're tracking it pretty much since late February. It's a very small chance that eggs that were laid last spring ...

The adult butterflies can be seen from May to September. They can be found in a wide range of habitats but especially in gardens, allotments and fields where they breed. A small bright blue ...

Spotting this mating pair, he set about “creating the impression of a new butterfly formed from the two”. The wings of the male (right) are shimmery blue, while the females are muted brown with a row ...