Our ethics columnist weighs in on the dilemma about when a predator has the right to act like a predator—and when it crosses ...

If males and females do not cohabitate, it will make it hard for them to reproduce. Study sparks concern over dramatically ...

Mountain lion attacks are rare in California, but incidents have been increasing and the cats' behavior has been changing in the past few decades, according to on-the-ground accounts. Writer ...

They are generally more solitary than the social prides of other African lions. This solitary behavior is reflected in their hunting strategies, which often rely on stealth and patience rather ...

Mountain lions face significant threats in California, and researchers say that awareness of these key species and their behavior can help keep the mountain lions and outdoor recreationists safe.

This swinging behavior is actually more similar to how a gibbon moves. But enough about mandrills. What about the lions of "The Lion King"? Well, there are a few problems there, too. Take that ...

Mark Elbroch, a mountain-lion biologist, rates nine big-cat attacks in movies for realism. Elbroch breaks down tiger attacks and hunting behavior in "RRR" (2022), with N. T. Rama Rao Jr.; "The ...