Posted by Gigi Allianic, Communications Amanda in 2017, photo by Dennis Dow/Woodland Park Zoo We are mourning the great loss of Amanda, our 50-year-old female gorilla, who was humanely euthanized today due to a severe decline in health. During the last couple of weeks, the geriatric gorilla’s appetite and activity level were declining. Amanda was the grandmother of the zoo’s newest baby gorilla, Kitoko, born in March. She was the oldest western lowland gorilla living at the zoo and among the oldest in North America. At 50 years old, Amanda was well into advanced geriatric age, practically double in human years. In zoos, female gorillas can live in to their 40s and 50s. In the wild, the life expectancy is 30 to 35 years. Pictured here in 2008, Amanda carries baby Uzumma on her back. Photo by Ryan Hawk/Woodland Park Zoo. Amanda was raised at Toronto Zoo. In 1994 she moved to Woodland Park Zoo where she successfully raised three daughters, including Uzumma, the mother of...