The Cincinnati Zoo and Botanical Garden is the second oldest zoo in the United States and is located in the Cincinnati neighborhood of Avondalein, Ohio. It opened in 1875, just 14 months after the Philadelphia Zoo. The Reptile House is the oldest zoo building in the United States, dating from 1875. The zoo conducts breeding
programs, and was the first to successfully breed California Sea Lions. There are other breeding programs including cheetahs, sumatran rhinoceros, malayan tigers, western Lowland Gorillas, pottos, and masai giraffes. The zoo is an accredited member of the Association of Zoos and Aquariums (AZA), and a member of the World Association of Zoos and Aquariums (WAZA). The first gorilla at Cincinnati Zoo was named Big Boy. He was a wild caught male who arrived to this institution in July 1949 from Africa. Mahari and Hatari were the parents of Sam, the first ever baby gorilla born at Cincinnati, who was born in 1970, was hand reared and died in 2000 at Knoxville Zoological Garden.
Cincinnati Zoo keeps currently 10 gorillas in two groups:
Family Tree (Genealogical Chart):