Wildlife officials are battling a surge of eerily realistic AI-generated animal hoaxes that waste resources and fuel ...

Did you know that the cheetah cannot roar, like many other large cats? The fact is that they produce a cute chittering sound, similar to a small bird's. Nature is full of wonders, but the world of ...

A powerful trophic cascade occurred when mountain lions began frequenting a small preserve south of San Francisco ...

For many people, the names cougar and mountain lion sound like they belong to two separate animals. Wildlife documentaries, ...

A Stanford study reveals that even a single visiting mountain lion can dramatically reshape ecosystems in small preserves.

The Center for Biological Diversity is challenging a Ventura County decision allowing a rock quarry to expand mining operations. A Center appeal filed with the county’s board of supervisors notes that ...

A surprising ecological makeover unfolded when mountain lions began frequenting a small preserve south of San Francisco. Deer activity dropped, plants recovered, and shifts among predators like ...

Earlier this month, a headline on a local social media site warned of a "possible" mountain lion sighting in Madison County.

For most Utahns, mountain lions exist more as rumor than reality — a flash of tan in the trees, a pawprint in the mud, a campfire story shared after dark. But people who spend their lives studying and ...

GPS collars and fitness-app traffic reveal that the Santa Cruz Mountains' pumas track human recreation patterns with ...

New research from the UC Santa Cruz Puma Project looks at how mountain lions are adapting to busy times on recreational ...

California Department of Fish and Wildlife A young mountain lion turned up in a Bay Area backyard, setting off a tense but ...