The smallest gray wolf subspecies in North America, Mexican gray wolves are also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife Service (and its predecessor ...

The Center for Biological Diversity fights not only to protect wildlife and wildlands but also to address the underlying causes of the extinction crisis, including the excessive production and ...

SACRAMENTO— Following today’s approval of Senate Bill 4 by the California State Assembly, the Center for Biological Diversity vowed to continue working to halt fracking and other dangerous ...

California has more than 30,000 idle wells that are unplugged but no longer produce oil or gas. Idle wells threaten our safety, health, and climate. An analysis of state data by the Center for ...

PFAS — aka perfluoroalkyl and polyfluoroalkyl substances — are a large, diverse group of manmade chemicals that have multiple, strong carbon-fluorine bonds, making them “highly fluorinated” compounds.

Dakota skipper photo by Robert Dana, USFWS. Photos are available for media use. “These remarkable little butterflies have a long flight to recovery, but Endangered Species Act protection will help ...

Hellbenders may not be pretty to everyone, but these strictly aquatic salamanders are as interesting as their awesome name implies — and they grow up to 2 feet long and sometimes top 4 pounds, making ...

Agile and swift predators with unnerving red eyes, northern goshawks are legendary for their ferocity, beauty and amazing flight skills; in medieval Europe, goshawks were the most prized of all ...

Mexico's Gulf of California — one of the most biodiverse places on the planet — teems with 891 species of fish and a third of the world's cetacean species, including the smallest and most endangered ...