SAN DIEGO, Calif.— After nearly 30 years of petitions and lawsuits by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today protected one of Southern California’s rarest ...

the Hermes copper butterfly native to Southern California and the tailed orange butterfly fluttering near the U.S.-Mexico ...

The Quino checkerspot was once one of the most common butterflies in Southern California: At the beginning of the 20th century, millions of these orange-and-black butterflies could be seen each year ...