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 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 ...

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 ...

Maybe you already marvel at the many different types of saltwater fish you keep at home in fish tanks. If you (or the kids) ...

Montana game wardens are seeking information on a mountain lion found dead near mile marker three on the Troy Mine Road south of Troy. An investigation is underway after the lion was found wrapped in ...

In more uplifting news, Pamela Anderson nabbed the Razzie Redeemer award, given to a former Razzie winner who has gone on to ...

The film franchise mainly revolves about a pride of lions who oversee a large swath of African savanna as their «kingdom» known as the Pride Lands, with their leader Simba watching over it ...

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 ...