Working memory of numerals in chimpanzees

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Video Symbolic Representation and Working Memory in Chimpanzees

Video clip for AAAS lecture "Ai and Ayumu" / 4 min 50 sec long
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Links : Related Websites
Chimpanzees of Bossou And Nimba
The Chimpanzees of Bossou And Nimba


The Chimpanzees of Bossou and Nimba is another website presented by KUPRI. It promotes their research and conservation of wild chimpanzees living in Bossou and Nimba, Republic of Guinea, West Africa.

Kumamoto Sanctuary
Kumamoto Sanctuary, WRC


Kumamoto Sanctuary (KS), the first chimpanzee sanctuary in Japan, is a sister institute of KUPRI. KS has been working hard to improve physical and psychological well-being of 57 chims and 6 bonobos currently kept at the facility.

Section of Language and Intelligence, KUPRI


The Section of Language and Intelligence, Primate Research Institute of Kyoto University (KUPRI) is our lab website. CVs of Professor Tetsuro Matsuzawa, Associate Professor Masaki Tomonaga and other members are available on the website.

Leading Graduate Program in Primatology and Wildlife Science (PWS), Kyoto University


Kyoto University started a new leading graduate program in "Primatology and Wildlife Science" (PWS) in 2013. PWS aims to provide a new generation of trained professionals to protect the environment by conserving wildlife, informing the public and developing overseas outreach.

Japan Monkey Centre (JMC)


The Japan Monkey Centre (JMC) is a registered museum responsible for producing the journal Primates - the oldest English-language Primatology journal. JMC also runs a unique zoo, specializing in nonhuman primates, housing about 1000 individuals representing 60+ different species.

Support for African /Asian Great Apes (SAGA)


Support for African /Asian Great Apes (SAGA) is a non-profit organization founded in 1998. We have hosted meeting for research, conservation, and animal welfare on the African and Asian Great Apes. Most of the ape researchers working in Japan as well as zoo people, conservationists, and others have joined the meeting.

大型類人猿情報ネットワーク (GAIN)
The Great Ape Information Network (GAIN)

Department of Wildlife Science, Primate Research Institute, Kyoto University


Grants-in-Aid for Scientific Research


This website "Chimpanzee Ai" is financially supported by the Ministry of Education, Culture, Sports, Science and Technology, Japan (grant 07102010, 12002009, 16002001, 20002001, 24000001 and 16H06283 to Tetsuro Matsuzawa.)

Many thanks for your support, our YouTube channel has reached 1 million viewers!


Prof. Tetsuro Matsuzawa


12 chimps living at the Primate Research Institute of Kyoto University (KUPRI)