Sexual behavior across ovarian cycles in wild black howler monkeys (Alouatta pigra): male mate guarding and female mate choice.

@article{Belle2009SexualBA,
  title={Sexual behavior across ovarian cycles in wild black howler monkeys (Alouatta pigra): male mate guarding and female mate choice.},
  author={Sarie Van Belle and Alejandro Estrada and Toni E Ziegler and Karen B Strier},
  journal={American journal of primatology},
  year={2009},
  volume={71 2},
  pages={153-64}
}
We studied two multimale-multifemale groups of black howler monkeys (Alouatta pigra) during a 14-month study (June 2006-July 2007) in Palenque National Park, Mexico to evaluate the ways in which their sexual behavior changes across ovarian cycles. We analyzed 231 fecal samples, collected every 2.2+/-1.4 days from five females. For four females, estradiol and progesterone profiles revealed an average (+/-SE) cycle length of 18.3+/-1.4 days. Copulations occurred significantly more frequently… CONTINUE READING
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ReproductionProcess includes biological processConception
Central males rarely solicited sexual interactions , but instead monitored the females ' reproductive status by sniffing their genitals , and maintained significantly closer proximity to females during their POPs , suggesting male mate guarding when conceptions are most likely to occur .
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