Historical Records
- North America
- 1901: earliest record of Hamadryas Baboon in an American Association of Zoos and Aquariums (AZA) facility
- A single male housed at the Washington Park Zoological Society
History at San Diego Zoo Wildlife Alliance
- Herman Ruhe brought two Hamadryas Baboons to the San Diego Zoo in 1922
- A male, named Wahoo, and a female, unnamed
- Wahoo fathered two babies at the the San Diego Zoo
- The first on June 28, 1931; followed by a sibling on February 7, 1932
- Between 1931 and 1978, 27 babies born
- One, named Old Lady, lived for 45 years
- 2017: Hamadryas Baboons join the San Diego Zoo's exhibit, Africa Rocks!
- Prior to this, the San Diego Zoo last housed Hamadrays Baboons in 1981