Loss of oestrus, concealed ovulation and paternity confusion in free-ranging Hanuman langurs.

@article{Heistermann2001LossOO,
  title={Loss of oestrus, concealed ovulation and paternity confusion in free-ranging Hanuman langurs.},
  author={Michael Heistermann and Thomas Ziegler and Carel P Van schaik and Kristin Launhardt and Paul Winkler and J. Keith Hodges},
  journal={Proceedings. Biological sciences},
  year={2001},
  volume={268 1484},
  pages={2445-51}
}
Ovarian cycles in catarrhine primates are uniquely characterized by prolonged periods of sexual activity in which the timings of ovulation and copulation do not necessarily correspond. According to current hypotheses of primate social evolution, extended sexuality in multi-male groups might represent part of a female strategy to confuse paternity in order to reduce the risk of infanticide by males. We test this hypothesis by examining mating behaviour in relation to timing of ovulation and… CONTINUE READING

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