The Fender’s blue butterfly has fluttered away from the brink of extinction. The species, once so rare it was thought to be extinct, is no longer considered endangered, according to a January 11 news ...

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 ...

The once-common orange-and-black butterflies have declined by 90% in recent decades, with the latest count showing the second smallest population on record, according to the Center for Biological ...

This article was originally published in High Country News. From the top of Pigeon Butte in western Oregon’s William L. Finley National Wildlife Refuge, the full width of the Willamette Valley fits ...

The U.S. Fish and Wildlife Service has named the Sacramento Mountains checkerspot butterfly in New Mexico as an endangered species, an environmental group said Monday. The orange and dark-brown ...

Butterflies play a crucial role in pollination and serve as a food source for other species, making their decline a significant ecological concern. Researchers analyzed data from more than 76,000 ...

March 18 (UPI) --The Trump administration is reopening public comment on a proposed rule that would list the monarch butterfly as threatened under the Endangered Species Act. The Fish and Wildlife ...