Bonobos Exhibit Delayed Development of Social Behavior and Cognition Relative to Chimpanzees

@article{Wobber2010BonobosED,
  title={Bonobos Exhibit Delayed Development of Social Behavior and Cognition Relative to Chimpanzees},
  author={Victoria Wobber and R. Wrangham and B. Hare},
  journal={Current Biology},
  year={2010},
  volume={20},
  pages={226-230}
}
Phenotypic changes between species can occur when evolution shapes development. Here, we tested whether differences in the social behavior and cognition of bonobos and chimpanzees derive from shifts in their ontogeny, looking at behaviors pertaining to feeding competition in particular. We found that as chimpanzees (n = 30) reached adulthood, they became increasingly intolerant of sharing food, whereas adult bonobos (n = 24) maintained high, juvenile levels of food-related tolerance. We also… Expand
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