Good news! The Large Tortoiseshell butterfly is thriving once again in the UK, after new sightings in Portland, Dorset, confirm that the species is resident. Over the past 70 years, sightings of the ...

A perfect combination for butterfly watching is a purple-flowered butterfly bush with colorful swallowtail butterflies. This gardener spent many hours on our porch on warm sunny days watching them ...

Rare large blue butterflies just experienced their most substantial reintroduction into the wild. About 750 of the globally endangered butterflies successfully hatched from larvae and flapped around ...

On the 25th anniversary of the project that brought the large blue butterfly back from extinction in the United Kingdom, ecologists are for the first time publishing the decades of research that ...

The Fort Indiantown Gap military base in Lebanon County is home to the world's only surviving population of the eastern regal fritillary, a large butterfly that the U.S. Fish and Wildlife Service ...

A relatively large butterfly subspecies found only in western Colorado, northern New Mexico and far-eastern Utah would be listed for Endangered Species Act protection as a threatened species under a ...