• Arrived at the Zoo on October 23, 1979
  • Is an extremely long-lived gibbon at age 42, and has diabetes that has been managed for the past three years, but is in good health for her age
  • Has tan fur, but coloration in this species is determined by genetics and not sex
  • Was longtime mate to Gulliver, who passed away in July 2016 just days before his 40th birthday
  • Successfully raised five offspring with Gulliver during nearly 30 years together, and outlived all but two of them: Riley, born in 2000, currently at Indianapolis Zoo, and Elliot, born in 2002, who is at Hogle Zoo (Salt Lake City). The pair also has many “grandchildren,” and five “great-grandchildren.”


  • Arrived at the Zoo in January 2020 from Sequoia Park Zoo, where he lived since 1984
  • Is 37 years old, and considered elderly like Jasmine
  • Parents are named Sonny and Cher, Bono is pronunced BOH-no
  • Shared exhibit and life together with female gibbon Jo-leen at Sequoia Park for 35 years

Conservation Status

Gibbons are endangered according to the IUCN. Though they are nationally protected in Asian tropical rainforests throughout the countries in their range, inadequate management and lack of protection from poachers are the main threats to their survival.

Choose Sustainable Palm Oil

Many common foods and products contain palm oil collected from the forests of Asia. Choosing foods made with sustainable palm oil helps save animals, including gibbons. A free app with a sustainable shopping guide at helps you make the right choices (available at Google Play or iTunes)