Here is the list of most breathtaking and beautiful butterfly species in the world. The black swallowtail, also known as the eastern black swallowtail or American swallowtail, has black wings ...

The Smith's blue butterfly may be tiny, but it's endangered in a big way ... Although the Smith's blue has been listed under the Endangered Species Act since 1976, the ongoing failure of government ...

A comprehensive study of U.S. butterfly populations shows dramatic declines in most species, but Pacific Northwest ecologists ...

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

Several different species of butterfly are referred to as 'blue morphos'. The butterflies that often feature ... Shutterstock.com Their wings are formed of up to a million tiny overlapping scales, ...

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

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

To ensure that the Sand Mountain blue butterfly will have adequate habitat and protection, the Center submitted a petition to list this rare species as federally endangered in 2004. In 2006, after the ...