Mara, an 18-year-old Amur tiger known for her spunk and playfulness, has been euthanized due to age issues, the Columbus Zoo ...

The tiger arrived to the zoo in 2008 after being rescued from a wildlife trafficking operation, the zoo said. It lived to age 17.

A gorilla who's lived at Boston's Franklin Park Zoo for more than 25 years died on Thursday, the zoo announced, soon after he was placed under anesthesia following a rapid decline in his health.

MICHIGAN CITY, Ind. (WNDU) - The Washington Park Zoo in Michigan City is mourning the loss of one of its most beloved ...