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A much-celebrated Los Angeles puma whose image graced the pages of a national magazine last year is suffering serious health effects from exposure to rat poison, according to biologists working with the National Park Service.
A report released Tuesday offers a chilling bit of news: working to protect the world's wildlife and its habitat can make you some ruthless enemies. According to a report by the human rights watchdog group Global Witness, at least 908 environmental act...
A national river protection and advocacy group has released its annual ranking of the most-endangered rivers in the United States, and a California watercourse that's been hammered by diversions and drought has the dubious honor of First Place.
It's a reminder that while present-day California no longer has many Ice Age animals, many are still everyday sights around the Golden State.
A southern California mouse species once feared extinct has some good news to share: its numbers are increasing... at least in captivity. A litter of four Endangered Pacific pocket mice was born at the San Diego Zoo this past weekend, with another litt...
The whales move with lethal power. Slipping beneath the surface they make a sound like a whisper, no more.
The California agency that manages the state's massive State Water Project has released a drought management plan for the summer, and it includes bad -- but not particularly surprising -- news for the Central Valley's wetlands.
Unlike more forward-thinking states such as Oklahoma and Arizona, we don't have a state amphibian. And that's an omission Coachella Valley Assembly Member V. Manuel Perez wants to remedy: he's introduced a bill that would give the red-legged frog that ...
A striking bird that's been waiting more than 15 years for the U.S. Fish and Wildlife Service to decide whether to list it under the Endangered Species Act (ESA) just got handed another minor delay. USFWS has announced that it's reopening public commen...
The roundup of as many as 900 illegally grazed cattle from Nevada public lands continued with nary a hitch on Monday, despite grandiose threats of a "range war" from the livestock's owner.
Our state has a lot of what ecologists call "endemic species," meaning species found in California and nowhere else. Here are some of the coolest ones.
The U.S. Environmental Protection Agency violated the Clean Air Act when it approved a permit for a large gas-fired power plant that may drive an Endangered butterfly to extinction. That's according to a San Francisco-based environmental group that fil...