21-Year-Old Partners Hubert and Kalisa Lived a Long Life As Loyal Companions The Los Angeles Zoo is sad to announce the death of our African lion pair, Hubert and Kalisa. Animal care and health staff made the difficult decision to humanely euthanize the 21-year-old companions on Thursday, July 30 due to their declining health and age-related illnesses that diminished their quality of life. The beloved pair resided at the L.A. Zoo for the past six