A very rare butterfly subspecies, whose only remaining habitat is at Fort Indiantown Gap, is finally on its way to making the endangered species list. The U.S. Fish and Wildlife Service last week ...

Conservation groups have sued the U.S. Fish and Wildlife Service to seek greater protections for a butterfly found only in and around western Colorado. The suit focuses on the Fish and Wildlife ...

This video tells the strange story of a butterfly subspecies that may have existed only briefly — and may have vanished without physical evidence. Known only from a single historical observation and ...

The Florida Museum of Natural History recently published “The Butterflies of California.” The book was co-written by the late Thomas Emmel (1941-2018), a founder and curator of the museum’s McGuire ...

The Iowa skipper butterfly, once prevalent in prairies across the middle of the U.S., is now at risk of extinction — according to the Center for Food Safety, which has petitioned federal agencies to ...