Title |
Alloparenting for chimpanzee twins
|
---|---|
Published in |
Scientific Reports, September 2014
|
DOI | 10.1038/srep06306 |
Pubmed ID | |
Authors |
Takeshi Kishimoto, Juko Ando, Seiki Tatara, Nobuhiro Yamada, Katsuya Konishi, Natsuko Kimura, Akira Fukumori, Masaki Tomonaga |
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 = 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. |
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Geographical breakdown
Country | Count | As % |
---|---|---|
Japan | 6 | 43% |
Unknown | 8 | 57% |
Demographic breakdown
Type | Count | As % |
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Members of the public | 13 | 93% |
Scientists | 1 | 7% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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United Kingdom | 1 | 3% |
Japan | 1 | 3% |
Hungary | 1 | 3% |
Unknown | 26 | 90% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Master | 7 | 24% |
Researcher | 7 | 24% |
Student > Bachelor | 4 | 14% |
Student > Ph. D. Student | 3 | 10% |
Lecturer > Senior Lecturer | 1 | 3% |
Other | 2 | 7% |
Unknown | 5 | 17% |
Readers by discipline | Count | As % |
---|---|---|
Agricultural and Biological Sciences | 10 | 34% |
Psychology | 6 | 21% |
Biochemistry, Genetics and Molecular Biology | 3 | 10% |
Physics and Astronomy | 1 | 3% |
Social Sciences | 1 | 3% |
Other | 0 | 0% |
Unknown | 8 | 28% |