Four rare species have fluttered into view during my continuing quest to photograph the endangered Mount Charleston blue ...

Palos Verdes and El Segundo blue butterflies are hard to spot. But you can see them if you know where and when to look. There are also ways to help the endangered insects.

Palos Verdes and El Segundo blue butterflies are hard to spot. But you can see them if you know where and when to look. There are also ways to help the endangered insects.

Blue butterflies return to San Francisco Presidio, 80 years after Xerces species extinction. The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to ...

The new Silvery Blue butterflies in SF's Presidio will replace a long-lost species called the Xerces Blue that went extinct in the 1940s. ... which were marked for future identification ...

Since the Second World War, over 80 per cent of the UK’s chalk downlands have been lost, mainly to intensive agriculture, so we are very lucky that on the Island most of this type of habitat is ...

Silver-studded blue butterflies have been lost from more than 80% of their former habitats in the past century as heathland was converted to forestry and housing, a natural history group said.