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, ...

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 ...

TUCSON, Ariz. (KGUN) — The Reid Park Zoo announces that Kaya the Lion has passed at the age of 17. Kaya was recently diagnosed with a degenerative spinal disease which impacted her ability to ...

The 3-year-old, 12-foot-tall Msituni jumped out of her enclosure 10 minutes prior to the zoo opening for the day on March 5, 2025.

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 ...