... (born in 1964) was the alpha male of the group for a long period of time and only declined in rank in 2002 when Sagu overthrew him. Zyon was a very caring old male who was very tolerant towards young male orphans (Taboo, Utan, Mustapha und Kuba). Therefore he was rarely seen alone, and most of his time was spent with his “Kindergarten”. He is also the father of many infants in the group.

Read more about Zyon and his sympathy here [pdf]

Click here to watch: "Zyon playing with Endora and Eva in the Taï National Park"
(Video is taken by Tobias Deschner from the Taï Chimpanzee Project)