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What is monogamy mean
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Prairie vole couple. Credit: Lim et al. In biology, monogamy is defined as a mating system of one male and one female forming an exclusive social pair bond.

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In herons, egrets, some woodpeckers, and others, males not only provide food for the young but share in incubation as well.

Increasingly, ornithologists and behavioral ecologists have come to view monogamy as part of a "mixed" reproductive strategy in which matings may occur outside the primary pair bond, but both members of the pair still contribute substantially only to the care and feeding of the young from their own nest. Two lines of evidence have contributed to the shift in viewpoint about the nature monogamyy monogamy.

Serial monogamy

In biology, monogamy is defined as a mating system of one male and one female forming an exclusive social pair bond. Monogamy is defined as one male mating with one female and forming a "pair bond.

It refers to a pattern of social rather than sexual organization. At the moment it is perhaps best simply to consider monogamy as a social pattern in which one male and one female associate during the breeding season, and not to make too many assumptions about fidelity or parentage. Nonetheless, the amount of time and energy invested by monogamous male parents varies greatly.

Consequently, females of birds as different as Common Goldeneyes, Cliff Swallows, and Savannah Sparrows may often incubate clutches containing one or more eggs laid by another female that may or may not have been sired by her mate. The traditional view of why more or less permanent monogamous bonds are formed is changing, as interest has become focused on the parentage of offspring reared by "monogamous" pairs.

Serial monogamy: definition, pros, and cons | supportiv

In some monogamous species, the male defends a territory in which his mate collects the food required by the offspring, but does not Whay feed the nestlings. In a socially monogamous pair bond, the two individuals share a territory and live in cohabitation, and both individuals take care of the progeny in some way. Prairie vole couple. Therefore the situation is not one in which mated pairs rear only their own offspring, as traditional use of the term monogamy has implied.

Non-monogamy showed me what it really means to be with someone | kate iselin | opinion | the guardian

The ante is raised even further in such ground-nesting birds as geese, swans, gulls, terns, and shorebirds in which males mnoogamy commonly place themselves in danger by vigorously defending the nest and young from predators. One model organism for the study of monogamy in mammals is the prairie vole Microtus ochrogaster. Second, a few recent studies employing new techniques of genetic analysis have allowed investigators to determine whether one or both members of a pair are the parents of all of the nestlings or fledglings they are rearing.

Because so few species have been investigated using this technique, the of future analyses may lead to a further reevaluation of the evolutionary ificance of monogamy.

Non-monogamous relationships

The parasitic female may be monogamous, but she is "stealing" parental investment from another pair. Credit: Lim et al.

The Willow Ptarmigan male serves only as a sentinel watching for danger. Some species are viewed as facultatively monogamous; that is, if released from certain environmental constraints, they would typically exhibit some other form of mating system such as polygyny one male mating with more than one female or promiscuity mating without forming pair bonds. Sexual exclusivity is not part of the above criteria.

Monogamy | definition of monogamy at www.nikekonorway.eu

Using the prairie vole, this website attempts to understand the following: How momogamy behavior may have evolved in mammals [ Phylogeny meah What genetic and environmental factors influence monogamous behavior [ Ontogeny ] What hormones and neural circuits are involved in pair-bond formation [ Mechanism mlnogamy How monogamous behavior is adaptive for the rare percentage of monogamous animals [ Adaptive Value ] Although humans are generally not considered a monogamous species, vole research may have applications in studying the human emotions of love and attachment.

Monogamy An estimated 90 percent of all bird species are monogamous. Presumably monogamy evolved in situations where young have a much better chance of surviving if both parents cooperate in rearing them. According to this view, for example, North American dabbling ducks are monogamous only because males are unable to monopolize more than one female.

What do you think “monogamy” means?

These ducks breed synchronously and their populations typically monogxmy more males than females. The Eastern Bluebird male provides a site for the rearing of young by defending a territory containing a nest cavitybut experimental removal of males has shown that they are not essential for successful brood-rearing. First, ecologist Yoram Yom-Tov showed intraspecific nest parasitism "egg dumping" by females in nests other than their own to be mwan more frequent than ly assumed.

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