Chimpanzees Share Cultivated Foods
Author Information
Author(s): Hockings Kimberley J., Humle Tatyana, Anderson James R., Biro Dora, Sousa Claudia, Ohashi Gaku, Matsuzawa Tetsuro
Primary Institution: Department of Psychology, University of Stirling
Hypothesis
Why do adult male chimpanzees at Bossou regularly share raided fruits with females?
Conclusion
Cultivated plant foods are shared much more frequently than wild plant foods among adult male chimpanzees at Bossou.
Supporting Evidence
- Adult males shared cultivated foods more frequently than wild foods.
- Sharing events primarily involved adult males and reproductively cycling females.
- Crop-raiding occurred significantly more often than food sharing.
Takeaway
Chimpanzees in Bossou share cultivated fruits like papaya more often than wild foods, especially with females, which may help them build friendships.
Methodology
Direct observations of food sharing and crop-raiding behaviors were recorded over 454 study days.
Potential Biases
Potential observer bias in recording sharing events.
Limitations
The study is limited to one community of chimpanzees and may not represent all chimpanzee populations.
Participant Demographics
The study involved adult male and female chimpanzees in the Bossou community.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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