Phoenix Zoo, Sierra and mountain

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 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 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, Kaya, after she was diagnosed with a degenerative spinal disease that impacted her ability to move her legs.
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's mountain lion, Sierra, dies
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.
Tucson's Reid Park Zoo euthanizes lion
It impacted her ability to move her legs, the zoo said Friday in a news release. As the condition progressed, it became more difficult for the lion to move. The decision to euthanize the lion was made after a significant decline in its health this week,
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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.
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Three orphaned mountain lion cubs get TLC at California's Oakland Zoo: See adorable video
Three mountain lion cubs, believed to have been orphaned after their mother was killed by a car, are currently recovering at the Oakland Zoo in California. Fern, Thistle and Spruce were found by ...