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Title: An observation of a severely disabled infant chimpanzee in the wild and her interactions with her mother
Authors: Matsumoto, Takuya
Itoh, Noriko
Inoue, Sana
Nakamura, Michio  kyouindb  KAKEN_id
Author's alias: 松本, 卓也
伊藤, 詞子
井上, 紗奈
中村, 美知夫
Keywords: Mahale Mountains National Park
Congenital malformation
Mother–infant relationship
Disability care
Issue Date: Jan-2016
Publisher: Springer Japan
Journal title: Primates
Volume: 57
Issue: 1
Start page: 3
End page: 7
Abstract: We report the physical and behavioral development of one severely disabled female infant chimpanzee (Pan troglodytes schweinfurthii) of the well-habituated M group in the Mahale Mountains National Park. We documented interactions between the infant and its mother and with other group members. Congenital disabilities occur in many primate species, including chimpanzees. However, there have been only a few case studies of congenitally disabled chimpanzee infants and no reports examining how a chimpanzee mother copes with such a disabled infant in the wild. The observed infant exhibited symptoms resembling Down syndrome, similar to those reported previously for a captive chimpanzee. The mother did not allow nonrelatives to take care of the infant even though she had been previously relatively tolerant of allomothering by nonrelatives. The mother’s compensatory care for her infant’s disabilities and allomothering of the infant by its sister might have helped it to survive for 23 months in the wild. Other group members did not show any aversive or fearful reactions to the disabled infant.
Description: 重度の先天的障害のある野生チンパンジーの赤ん坊の発見. 京都大学プレスリリース. 2015-11-10.
First online: 09 November 2015
Rights: The final publication is available at Springer via
The full-text file will be made open to the public on 9 November 2016 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1007/s10329-015-0499-6
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