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

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 ...

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 ...

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 ...

A recent study combining data from more than 76,000 surveys from 35 monitoring programs across the country found butterfly populations declined 22%.

A new study compiling butterfly surveys across the country found a 22% overall decline, while seven species found in Maine ...

Due to population decline and habitat loss, the Mount Charleston blue butterfly, Icaricia shasta charlestonensis, entered the endangered species list in 2013. However, efforts are ongoing to help ...

The causes involve more than just habitat loss, but there are steps you can take to help save these delicate creatures ...

All the butterflies were dead by Aug. 25. According to the Environment Ministry’s red list on endangered species, the Ogasawara blue butterfly was categorized as “Critically Endangered ...