Alloparenting for chimpanzee twins

Takeshi Kishimoto, Jyukou Andou, Seiki Tatara, Nobuhiro Yamada, Katsuya Konishi, Natsuko Kimura, Akira Fukumori, Masaki Tomonaga

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Abstract

In April 2009, a female chimpanzee named Sango, living in a captive group at the Noichi Zoo, Japan, gave birth to dizygotic male-female twin chimpanzees (male: Daiya, female: Sakura). The extent to which adult group members cared for the twins was investigated using a focal animal sampling method targeting six adults (one male) when the twin chimpanzees were two years old. Data were collected for an average of 6.78 h (SD 5 0.79) per focal participant. An unaffiliated female adult of Sango was engaged in parenting Sakura as much as Sango. Given that Sakura was in lesser proximity to Sango than Daiya, Sakura's departures from her mother and her ability to gesture requests might have enabled non-kin adults to provide her care.

Original languageEnglish
Article number6306
JournalScientific Reports
Volume4
DOIs
Publication statusPublished - 2014

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Cite this

Kishimoto, T., Andou, J., Tatara, S., Yamada, N., Konishi, K., Kimura, N., Fukumori, A., & Tomonaga, M. (2014). Alloparenting for chimpanzee twins. Scientific Reports, 4, [6306]. https://doi.org/10.1038/srep06306