Several small, silvery-winged butterflies flitted among the native spotted bee balm and butterfly milkweed growing under the ...

The endangered Karner blue butterfly, once scarce in Michigan, is making a notable comeback, particularly in the western pa ...

Native to the rainforests of Mexico, Central America and South America, this bright blue butterfly has a short but stunning life. It is thought that the colour helps the males to mark their ...

The Xerces blue butterfly vanished from San Francisco in the 1940s. Scientists just released dozens of butterflies from a related species to take its place.