Concealed Fertility and Extended Female Sexuality in Assamese Macaques
Author Information
Author(s): Fürtbauer Ines, Heistermann Michael, Schülke Oliver, Ostner Julia
Primary Institution: Georg-August-University Göttingen, Göttingen, Germany
Hypothesis
How does female reproductive state influence mating activity and male consortships in Assamese macaques?
Conclusion
The study shows that female Assamese macaques conceal their fertility and engage in extended sexual behavior, leading to non-random mating patterns.
Supporting Evidence
- Females mated throughout the entire 4-month mating season, not just during fertile phases.
- Dominant males did not monopolize matings, indicating concealed fertility.
- High-ranking females had higher daily copulation frequencies.
Takeaway
Female macaques can hide when they are fertile, which helps them mate with many males and keep their babies safe.
Methodology
The study involved observing mating behaviors and analyzing fecal samples for hormone levels over two mating seasons.
Potential Biases
Potential observer bias in recording mating behaviors and consortships.
Limitations
The study was limited to a specific population of Assamese macaques and may not generalize to other species.
Participant Demographics
The study focused on 15 female Assamese macaques from a wild group in Thailand.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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