Primate - Growth and longevity | Britannica
Chimpanzee - Wikipedia
Colo: Long live the queen
About Chimpanzees - Center for Great Apes
Living a long chimpanzee life | EurekAlert!
Why Humans Outlive Apes | Live Science
Chimpanzee Lifespan & Life Cycle | How Long Do Chimps Live? - Video & Lesson Transcript | Study.com
Chimpanzee | The Maryland Zoo
Orangutans back in Mysuru zoo after four-and-half decades | Mysuru News - Times of India
The great ape exchange - Albuquerque Journal
Bonobo
Do Gorillas Even Belong in Zoos? Harambe's Death Spurs Debate - The New York Times
Lester E. Fisher Center for the Study and Conservation of Apes - Lincoln Park Zoo
Sumatran Orangutan | Birmingham Zoo
Chimpanzee, facts and photos
Great ape personhood - Wikipedia
How Long Do Gorillas Live - Gorilla Lifespan - Gorilla Facts
Western Lowland Gorilla - Zoo Atlanta
Gorilla Lifespan: How Long Do Gorillas Live? - AZ Animals
Primate - Growth and longevity | Britannica
APE HAVEN - Bonita Springs Florida Weekly
Western Lowland Gorilla - San Francisco Zoo & Gardens
Meet one of the oldest chimpanzees in captivity | CNN
Bonobo | San Diego Zoo Animals & Plants
Chimpanzee Lifespan: How Long Do They Live? - AZ Animals
Lester E. Fisher Center for the Study and Conservation of Apes - Lincoln Park Zoo
