The passengers in the row ahead were sure to have listened with avid interest. They were officers with the California ...

In the wild, the balance between predator and prey is a delicate dance, with each playing a critical role in their ecosystems ...

Montana game wardens are seeking information on a mountain lion found dead near mile marker three on the Troy Mine Road south of Troy. An investigation is underway after the lion was found wrapped in ...

The zoo said zookeepers and veterinary staff made the "difficult decision" to put down mountain lion Sierra earlier this week ...

Investigators are baffled by the case of somebody killing a mountain lion in Montana, and then cutting off and taking the ...

Zoo staff made the difficult choice to euthanize one of the zoo’s two female mountain lions, Sierra, earlier in the week.

The big cat was initially seen on Lomita Street, traversed along Ponderosa Road and made its way to Pheasant Hill Road.

A California couple told plain-clothed officers they were smuggling a sea turtle skull, hunted mountain lion and their family ...

The Phoenix Zoo lost its beloved mountain lion, Sierra, who was humanely euthanized this week after dealing with advanced renal failure. The Reid Park Zoo had to humanely euthanize their African lion, ...

The Phoenix Zoo lost one of its longtime residents this week. Sierra, a mountain lion, was humanely euthanized due to ...

After 17 long years at the Phoenix Zoo, Sierra the mountain lion was humanely euthanized after experiencing renal failure, the zoo said on Feb. 27. She came to the zoo 17 years ago as an orphaned cub ...

The mountain lion was first seen moving in the Pheasant Hill Road and Deerhunter Lane area of Camarillo in the overnight ...