... is one of the oldest and most experienced females of the group, she was born in 1965. Her youngest child was born in 2011 and is named Solibra. Solibra loves to play with his big brother Shogun.

Read more about Sumatra [pdf]

Click here to watch: Sumatra and her daughter Sassandra found a termite mount and start to poke holes in the mount to extract fungus.

Click here to watch: Sumatra and her chimpanzee group are eating tree fungus.
(Video is taken by Tobias Deschner from the Taï Chimpanzee Project)