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 ...

Kaya, an African lion that had been at Tucson's Reid Park Zoo since 2009, was euthanized last week after a degenerative spinal disease made movement difficult, officials said. Kaya had been at the zoo ...

Reid Park Zoo announced Friday that a 17-year-old African lion named Kaya was euthanized this week. Kaya was recently diagnosed with a degenerative spinal disease that impeded her ability to move her ...

The Reid Park Zoo announces that Kaya the Lion has passed at the age of 17. Kaya was recently diagnosed with a degenerative ...

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

Reid Park Zoo announced the passing of Kaya, an African lion, who was humanely euthanized at age 17. Kaya had been diagnosed ...

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

DENVER — Thieves nabbed a pair of high-priced bulldogs from a Colorado pet store after a man allegedly faked a seizure to ...

Learn more about this intelligent, friendly yet incredibly active dog and whether you should invite one into your home ...

WILMINGTON – The Brandywine Zoo will kick off spring with its Zoobilee fundraiser event. This year’s event holds special ...