To test the prediction that non-copulating males masturbate more (Hypothesis 1), I calculated the % of oestruses where a male masturbated and copulated to the percent of oestruses where he masturbated and did not copulate and compared this with a Wilcoxon signed-ranks test.
After mating, males need several days without copulating to recover and to be able to transfer a new spermatophylax (Simmons, 1993; Wedell and Ritchie, 2004).
The individual differences in female readiness to copulate partly seem to be maintained across different contexts, i.e. unpaired vs. paired mating status.
Not only that, male and females copulate face to face, unlike chimpanzees, and same sex genital contact is common.
Females are therefore sperm-limited and must copulate repeatedly to attain maximal fertility [ 38].
We noted that on some occasions, the male did not appear to use olfactory behavior and went directly to the female to attempt to copulate.
We found that we could bin the males into two groups, the first of which took 3 to 8 59 min to copulate twice, and the second of which took 9 to 30 min to copulate twice.
The tendency of some of these males to attempt to copulate without performing a display indicated that their dysfunction is specific to the display portion of courtship.
By disguising the gift content males may deceive females to copulate, while the female attempts to consume the gift.
Her name became the Anglo-Saxon noun for love, and in the 16th century, frig came to mean "to copulate".
