Phoenix Zoo, lion and Sierra

Phoenix Zoo mountain lion Sierra euthanized due to kidney failure
Zoo staff made the difficult choice to euthanize one of the zoo’s two female mountain lions, Sierra, earlier in the week.
Phoenix Zoo humanely euthanizes mountain lion with renal failure
The zoo said zookeepers and veterinary staff made the "difficult decision" to put down mountain lion Sierra earlier this week.
Arizona zoos mourning the loss of beloved lions Kaya and Sierra
The Phoenix Zoo and Reid Park Zoo in Tucson are both dealing with the loss of longtime residents. The Phoenix Zoo lost its beloved mountain lion, Sierra, who was humanely euthanized this week after dealing with advanced renal failure.
Phoenix Zoo euthanizes mountain lion
Zoo staff made the difficult choice to euthanize one of the zoo’s two female mountain lions, Sierra, earlier in the week.
Phoenix Zoo mourns loss of Sierra the mountain lion
The Phoenix Zoo lost one of its longtime residents this week. Sierra, a mountain lion, was humanely euthanized due to advanced renal failure. Sierra and her sister, Mystic, came to the zoo as cubs in 2008 from South Dakota.
Phoenix Zoo set to open its ‘Big Cats of Arizona’ habitat in April
According to the zoo, more than $5.3 million was raised to build a new habitat for mountain lions and jaguars. Here's what the habitat has in store for guests and cats.
Phoenix Zoo's mountain lion, Sierra, dies
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 from South Dakota.
Big Cats of Arizona habitat opening at Phoenix Zoo in April
The state-of-the-art space is dedicated to showcasing and caring for some of Arizona’s most elusive native predators.
Tucson's Reid Park Zoo euthanizes lion
A 17-year-old lion at Tucson's Reid Park Zoo was euthanized this week, officials said Friday. Kaya, an African lion, was recently diagnosed with a degenerative spinal disease. It impacted her ability to move her legs,
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As bird flu outbreaks spread to animals, D-FW zoos take precautions
were reported at the Wildlife Zoo and Aquarium outside Phoenix, Ariz., claiming the lives of a cheetah, mountain lion, swamphen, kookaburra and an Indian goose. Twenty big cats also died at a ...
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Phoenix Zoo to open ‘Big Cats of Arizona’ habitat in April
The Phoenix Zoo announced that its brand new habitat, Big Cats of Arizona, will hold its grand opening in April. The ...