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

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

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

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

The state-of-the-art space is dedicated to showcasing and caring for some of Arizona’s most elusive native predators.

ALLEN PARK -- Aidan Hutchinson shared a video that should serve as a pick-me-up for Detroit Lions fans who are still feeling the post-Super Bowl blues. Hutchinson, who has been recovering from a ...

Get ready for a wild time at Hertfordshire Zoo this week. Visitors can get up close to incredible animals, from majestic big cats and soaring birds of prey to fascinating reptiles and adorable ...

(COLORADO SPRINGS) — Cheyenne Mountain Zoo (CMZoo) is giving individuals the opportunity of a lifetime, and all they have to do is give them a guess on how much Akta’s antlers weigh.

Still, that doesn’t mean it’s a pressing need. Jared Goff signed a massive extension last year, and the Lions have another two years of team control with Hooker. Hooker just wrapped his first ...