The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species ...

Discover where to find a red-spotted purple butterfly. See what the butterfly looks like and what host plants will bring one ...

The Xerces blue butterfly went extinct along the San Francisco coast some 80 years ago. But scientists have identified a ...

Despite captive-breeding and reintroduction efforts, this sun-loving coastal butterfly, once common throughout South Florida, is now one of the rarest insect species in North America. The Miami blue ...

Despite captive-breeding and reintroduction efforts, this sun-loving coastal butterfly, once common throughout South Florida, is now one of the rarest insect species in North America. The Miami blue ...

this bright blue butterfly has a short but stunning life. It is thought that the colour helps the males to mark their territories, and acts as a defence against predators. The blue morpho is often one ...

Haiyong Cai (China) notices the shimmery blue colours of eros blue butterflies basking among the vegetation. While wandering through an alpine meadow, Haiyong spotted a patch of blue among the grass.

A recent study combining data from more than 76,000 surveys from 35 monitoring programs across the country found butterfly ...