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Female copulatory vocalizations
Female copulatory vocalizations (FCV) or female copulation calls are produced by some female primates, including human females, when they vocalize in specific ways during sexual intercourse and related sexual activity to express sexual pleasure and to excite their sexual partners, and potential sexual partners. While males vocalize sexually as well, females typically do so much more frequently.〔J. Hamilton and P. C. Arrowood, “Copulatory Vocalizations of Chacma Baboons (Papio Ursinus), gibbons (Hylobates Hoolock) and Humans,” Science, 200:1405, 1406-07 (1978).〕 Among women, FCV may take verbal and non-verbal forms including breathing heavily, moaning, crying out, screaming, ''talking dirty'', crying, and laughing.〔J. Hamilton and P. C. Arrowood, “Copulatory Vocalizations of Chacma Baboons (Papio Ursinus), gibbons (Hylobates Hoolock) and Humans,” Science, 200:1405, 1405 (1978).〕 Researchers have observed that, in at least some species (for instance, Chacma Baboons), the particular vocalizations used are unique to sexual activity.〔J. Hamilton and P. C. Arrowood, “Copulatory Vocalizations of Chacma Baboons (Papio Ursinus), gibbons (Hylobates Hoolock) and Humans,” Science, 200:1405, 1406 (1978).〕
==In non-human primates==
Several ideas have been advanced to explain the reasons. Primate research suggests that in baboons it reveals that the nature of the vocalizations vary depending on how close the females were to ovulation.〔S. Semple, “Individuality and Male Discrimination of Female Copulation Calls in the Yellow Baboon,” ‘’Animal Behavior’’ 61: 1023, 1027 (2001).〕 This suggests that the females vocalize to announce sexual availability and fertility to males other than the one with whom she was copulating—an indicator of promiscuity (polygamy) rather than monogamy, and an invitation to engage in sperm competition. The calls also carried information about the status of the male with whom she was copulating, thus presumably allowing other males to assess their likelihood of mating with the female.〔Christopher Ryan and Cacilda Jetha, ‘’Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships’’ (Harper Perennial, 2011), p. 257.〕
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