The sexual behavior of 4 adult male pigtailmacaques was recorded during two tests with each of 2 estrogen-primed females. The behavior of the males was highly consistent across tests and females but, quantitatively, varied significantly from male to male. The pigtails were multiple mount ejaculators that achieved one to three ejaculations in 1 h. A median number of eight intromissive mounts, separated by intermount intervals of 1.6 min, preceded first ejaculations. Median ejaculatory latency was 18.5 min, while the postejaculatory interval was 33 min. Each male had a characteristic number of thrusts and rate of thrusting per mount. The group medians were 12 thrusts per mount and 2.3 thrusts per sec, respectively. The multiple mount pattern of the male pigtails resembles that of the rhesus and Japanese macaques but differs from the single mount pattern of the bonnet and stumptail macaques.

Keywords:
Sexual behavior, Mating, Reproduction, Pigtail macaque, Macaca nemestrina, Monkeys
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© 1973 S. Karger AG, Basel
1973
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