this pairing is extra-pair copulation. Across the animal kingdom, extra-pair copulation is common in monogamous species, and only a very few pair-bonded...

literature. The courtship stage of breeding is when pair bonds are formed and occurs before copulation and occasionally continues through the copulatory...

able to fertilize the other females’ eggs in the extra-pair copulation. For females, extra-pair copulations ensure egg fertilization, and provide enhanced...

mate with multiple males. For example, recent studies show that extra-pair copulation frequently occurs in monogamous birds in which a "social" father...

(1983). "Forced copulation in waterfowl". Behaviour. 86 (3): 250–294. doi:10.1163/156853983X00390. Reichard, U. (1995). "Extra-pair Copulations in a Monogamous...

called copulation, and sperm may be introduced into the female's reproductive tract in non-vaginal ways among the animals, such as by cloacal copulation. For...

which is the idea that animals form pairs to mate and raise offspring, but still will partake in extra pair copulation with various males or females in order...

to engage in extra-pair copulation with other nesting females after mating with its primary female partner. These extra-pair copulations are usually done...

in danger, like a female lion. Females in polygyny may have less extra-pair copulation. In socially polygynous birds, EPP is only half as common as in...

may be able to manage extra-pair mating even while its social mate is guarding it, or females may reject extra-pair copulation attempts by other males...

the couples repeat copulation many times. Every copulation is followed by some break of 3 to 4 seconds, and in that time both pair change their position...

promiscuity in species that form pair bonds are usually called extra-pair copulations. Accurately assessing people's sexual behavior is difficult, since...

extramarital sex on the marriage is noted to be weaker. Adultery Extra-pair copulation Honor killing On-again, off-again relationship Swinging One-night...

Material from Extrapair Males after Engaging in Extrapair Copulations, extra-pair copulation occurs at the male's nesting site, after which the female...

monogamous bird that perform extra-pair copulations during matutinal hours. One explanation for the prevalence of extra-pair copulation is that it enhances the...

between previous copulations, and the fact that extra-pair copulations occur in the male after its period of within-pair copulation period is complete...

also be the result of forced copulation in ducks and other anatids. For females, possible benefits of extra-pair copulation include getting better genes...

High-frequency pair copulation is usually associated with sperm competition and high frequency of extra-pair copulation. It has been considered that extra-pair copulation...

reproductively motivated, it is often termed mating or copulation; for most non-human mammals, mating and copulation occur at oestrus (the most fertile period in...

being socially monogamous, vermilion flycatchers will engage in extra-pair copulation. They also practice within-species brood parasitism, whereby females...

generally considered monogamous, although evidence suggests that extra-pair copulation is relatively common. In the spring, males establish a territory...

food offerings from prospective mates inciting copulation. A female may pursue extra-pair copulation more during fertile periods of her menstrual cycle...

was the result of an extra-pair copulation. One factor that might contribute to this is that females have control over copulation, making paternity guards...

Psychology Conference, run annually in Australia or New Zealand Extra-pair copulation EPC (EP), by Battles Edgewell Personal Care, a US company Electronic...

they do not always remain sexually monogamous. In addition to extra-pair copulations, pair-bonded gibbons occasionally "divorce". About 10% of gibbon groups...

in copulation chance. Despite most grey fantails forming season-long monogamous pairs, a small number of male birds seeking extra-pair copulation have...

aggressive and territorial. Once established, pairs stay together to breed for life, but extra-pair copulation is common, making this species genetically...

off the rival male which will prevent the female from engaging in extra-pair copulation with the rival male. Organisms with polygynous mating systems are...

the offspring on their own in their nests. Concealed ovulation Extra-pair copulation Genomic imprinting Intragenomic conflict Parent–offspring conflict...

fingerprinting studies have shown that even in pair-bonding, matings outside the pair (extra-pair copulations) occur with fair frequency, and a significant...