Social structure and dynamics of wild chimpanzees at Bossou, Guinea

@article{Sugiyama2006SocialSA,
  title={Social structure and dynamics of wild chimpanzees at Bossou, Guinea},
  author={Yukimaru Sugiyama and Jeremy Koman},
  journal={Primates},
  year={2006},
  volume={20},
  pages={323-339}
}
A small population of wild chimpanzees was studied at Bossou, Guinea, for six months from November 1976 to May 1977. All the chimpanzees except dependent infants were identified without artificial feeding and were observed from within 20 m almost every day. The population size of 21 chimpanzees was little changed from 1967. Although the sex ratio (male/female) of immatures (infants, juveniles, and adolescents) was 0.833 in January 1977, the adult sex ratio was 0.429. More than half of the males… CONTINUE READING

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