Latest information

2022.12.30.
  Chimpanzee : Suzumi gave birth to a baby boy.

2022.12.14.
  Orangutan : Mimi died.

2022.12.11.
  Gibbon : Kyutaro died.

2022.11.25.
  Chimpanzee : Miracle gave birth to a baby girl.

2022.11.21.
  Chimpanzee : Early died.

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Latest Journa

Takeshi Nishimura, Isao T. Tokuda, Shigehiro Miyachi, Jacob C. Dunn, Christian T. Herbst, Kazuyoshi Ishimura, Akihisa Kaneko, Yuki Kinoshita, Hiroki Koda, Jaap P. P. Saers, Hirohiko Imai, Tetsuya Matsuda, Ole Næsbye Larsen, Uwe Jürgens, Hideki Hirabayashi, Shozo Kojima, W. Tecumseh Fitch(2022) Evolutionary loss of complexity in human vocal anatomy as an adaptation for speech
*Science*, Vol 377, Issue 6607, pp. 760-763
https://doi.org/10.1126/science.abm1574

Kristin Havercamp, Koshiro Watanuki, Masaki Tomonaga, Tetsuro Matsuzawa, Satoshi Hirata(2019) Longevity and mortality of captive chimpanzees in Japan from 1921 to 2018
*Primates*, 60: 525-535
https://doi.org/10.1007/s10329-019-00755-8

Masaki Tomonaga & Fumito Kawakami(2022) Do chimpanzees see a face on Mars? A search for face pareidolia in chimpanzees
*Animal Cognition*
https://doi.org/10.1007/s10071-022-01739-w

Masaki Tomonaga & Tomoko Imura(2022) Going forward: perceptual bias for forward-facing motion in chimpanzees
*Primates*
https://doi.org/10.1007/s10329-022-01034-9

Yutaro Sato, Fumihiro Kano, Naruki Morimura, Masaki Tomonaga, and Satoshi Hirata(2022) Chimpanzees (𝘗𝘢𝘯 𝘵𝘳𝘰𝘨𝘭𝘰𝘥𝘺𝘵𝘦𝘴) exhibit gaze bias for snakes upon hearing alarm calls
*Journal of Comparative Psychology*, 136(1), 44–53
https://doi.org/10.1037/com0000305

Results of GAIN

There are 102 species of nonhuman primates kept in the zoos and other facilities in Japan.

The count is at the point of March 31 2015 and excludes the hybrids and miscellaneous individuals.