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- Title
Comparison of behavioral sequence of copulation between chimpanzees and bonobos.
- Authors
Hashimoto, Chie; Furuichi, Takeshi
- Abstract
We compared sex differences in behaviors leading to copulation of chimpanzees ( Pan troglodytes) in the Kalinzu Forest, Uganda with those of bonobos ( Pan paniscus) at Wamba, D.R. Congo, using the same definition. Female chimpanzees were more likely to initiate copulation than female bonobos. While most of copulations (96%) were initiated by males in bonobos, among chimpanzees only 63% of copulations were initiated by males. Female bonobos initiated an interaction leading to copulation when males approached them within a short distance. On the other hand, both male and female chimpanzees initiated behavior at a longer distance. Higher proceptivity and a higher copulation rate during the maximal swelling period of female chimpanzees might suggest that they gain greater benefits from a high frequency of copulations than do female bonobos.
- Subjects
ANIMAL sexual behavior; CHIMPANZEES; SEX differences (Biology); ANIMAL behavior; SEXUAL intercourse
- Publication
Primates, 2006, Vol 47, Issue 1, p51
- ISSN
0032-8332
- Publication type
Article
- DOI
10.1007/s10329-005-0144-x