They may be found in monogamous pairs, small foraging units, harems, or enormous spawning or feeding groups. |
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Regular partners may need to be emphasized as partners in which only strong, trustful, traditionally monogamous relationships are established. |
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Illegitimate children caused a problem for a society that made heterosexual monogamous marriage the only respectable family formation. |
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Although historically polygamy was practiced, the marriage system is now monogamous. |
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In a legal sense, most 20th-century marriages involved monogamous, heterosexual relationships. |
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I'm not returning to the monogamous nuclear family, but rather to the large extended family, which in this form probably never existed. |
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With the exception of the rare polyandrous societies, virtually all women are in monogamous marriages. |
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You may feel strange and uncomfortable in a monogamous long-term relationship, but you feel under pressure to be in one. |
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As a grown man, he and his monogamous partner of many years took an HIV test. |
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Even the strategy of serial monogamous relationships is justified by a commitment to passionate love and redemptive romance. |
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He is a teaching assistant who happens upon lost correspondence to a lover written by a famously monogamous 19th-century poet. |
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I wouldn't want to be in a monogamous relationship with someone who stayed with me because they'd feel worthless without a partner. |
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Since a lot of these seniors tend to be monogamous, they're going to have different needs than younger people, who tend to be more free. |
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The emperor penguins are monogamous for a year, have a baby chicken, and then part their ways. |
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Naturalists and scientists have maintained that the fox is monogamous and a devoted father. |
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The arboreal primates are often monogamous and provide an additional source of context for human pair-bonding. |
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Like 90 percent of bird species, but only 3 percent of mammal species, they're monogamous, pair-bonded animals. |
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Most monogamous cichlids are virtually indistinguishable, although males are larger than females on average. |
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Butterflyfishes, according to existing research, are characteristically monogamous and pair-forming. |
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Laws against adultery are a natural outgrowth of laws and customs insisting that marriages be monogamous. |
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Most offspring were from monogamous pairs, but a few cases consistent with polygyny by males or sequential polyandry by females were also found. |
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The lovestruck animals immediately gave up their nest-hopping and turned soppily monogamous, becoming doting and inseparable partners. |
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Evening Grosbeaks are generally monogamous, although when there is an unusually plentiful food supply, polygamy can occur. |
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Common yellowthroats are socially monogamous warblers that exhibit strong sexual dimorphism. |
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When people first started looking at social systems and mating systems, they thought callitrichids were monogamous. |
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Guans appear to be monogamous and the pair bond lasts over many breeding seasons. |
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Yellow Warblers are primarily monogamous and form pair bonds soon after females arrive on the breeding grounds. |
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The monogamous pair bond may hold throughout the year and extend into multiple nesting seasons. |
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The magpie is monogamous, territorial, sedentary, and relatively long-lived for passerine birds, with a well-described biology. |
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Eastern bluebirds are socially monogamous passerines that breed throughout eastern North America. |
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In monogamous species, both the male and female build the nest, incubate eggs, brood young and feed nestlings and fledglings. |
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I have been in strictly monogamous relationships and most of us are perfectly content with that. |
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Most marriages are monogamous, although fraternal polyandry is permitted and is even considered to be prestigious. |
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Only five percent of mammals are thought to be socially monogamous, including gibbons, jackals, and tamarins. |
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Yes some women, heart broken by being jilted, will respond by genetically engineering sons who are more likely to be monogamous. |
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Married women are expected to remain completely monogamous while accepting their husbands' extramarital sexual affairs. |
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In socially monogamous species, extrapair males usually do not assist females rearing the young or provide other direct benefits to the female. |
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While Short-eared Owls are typically monogamous, they form loose colonies and some polygamy may occur. |
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First, kookaburras breed in nuclear family groups where a monogamous pair are assisted by up to six offspring-helpers. |
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When social mating systems were dichotomized, extrapair chicks were twice as frequent in monogamous as in polygynous species. |
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We do report limited evidence relating our personality factors to whether one is in a monogamous relationship or not. |
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This pair is monogamous although, with the death of an alpha individual, a new alpha male or female will emerge and take over as the mate. |
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I'm also proud of the fact that I'm in a monogamous, heterosexual relationship with my soul mate, who happens to be in the form of a man. |
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These polygamists got dirty later than monogamous males, remaining clean until their second female began laying. |
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Wolves, for example, are generally monogamous but also breed polygamously if the male is unrelated to the female and prey is plentiful. |
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Williamson's Sapsuckers form monogamous pairs, a bird often pairing with its mate from a previous year. |
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Usually solitary creatures, desmans form monogamous pairs and mate in springtime. |
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Courtship rituals and parental care are common among monogamous pairs. |
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In colonially nesting Razorbills, a seabird traditionally viewed as monogamous with biparental care, both sexes attend mating arenas to obtain extrapair copulations. |
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The monogamous or safe-only gay man is a far safer bet than the unprotected hetero swinger. |
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Fernandez-Duque discovered that owl monkeys are the only reliably monogamous mammal species. |
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That Ovenbirds are monogamous, not all males are paired, and unpaired females are rarely observed, suggests female survival is lower than male survival. |
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Northern Mockingbirds are typically monogamous, but polygamy does occur. |
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There are open relationships and monogamous relationships and serious dating and sleeping around. |
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The Roman alphabet replaced Arabic writing, the state became exclusively secular, monogamous marriages were introduced, and education was secularized. |
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The majority of the sample were heterosexually active at the time of the study, and were involved in monogamous sexual relationships with an average duration of 2.45 years. |
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Manucodes are of considerable interest within the Paradisaeidae because the two species that have been studied are monogamous and non-territorial. |
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Yet the existence of cultural diversity did not lead them to view their own preference for monogamous marriages as a matter of opinion or local cultural taste. |
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Some damselfish are promiscuous, and still others are monogamous. |
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Virtually all residents enter into sanctified, lifelong monogamous unions. |
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Downy Woodpeckers form monogamous breeding pairs in late winter. |
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In most bird species, individuals form long-term, monogamous pair-bonds. |
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A monogamous mating system is unusual in bats and in mammals as a whole. |
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The tribal family lives as a nuclear unit and is usually monogamous. |
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Penguins are monogamous, and their selection of a mate seems to be highly influenced by the mating call. |
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Some of these species are serially monogamous, including the harp seal, crabeater seal and hooded seal. |
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Gannet pairs are monogamous and may remain together over several seasons, if not for all their lives. |
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There are records of male and female wildcats becoming temporarily monogamous. |
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Unlike most other rodents, beaver pairs are monogamous, staying together for multiple breeding seasons. |
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Gulls are monogamous and colonial breeders that display mate fidelity that usually lasts for the life of the pair. |
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Being serially monogamous, brown bears remain with the same mate from a couple of days to a couple of weeks. |
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Though foxes are largely monogamous, DNA evidence from one population indicated large levels of polygyny, incest and mixed paternity litters. |
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The gray wolf is generally monogamous, with mated pairs usually remaining together for life. |
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Ducks are generally monogamous, although these bonds usually last only a single year. |
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Similarly, scientists disagree whether Lower Paleolithic humans were largely monogamous or polygynous. |
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Arctic foxes form monogamous pairs during the breeding season and they stay together to raise their young in complex underground dens. |
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Arctic foxes tend to form monogamous pairs in the breeding season and maintain a territory around the den. |
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In the poem, the osprey is considered to be an icon of fidelity and harmony between wife and husband, due to its highly monogamous habits. |
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The repopulation of the species is made more difficult because titis are monogamous, mating for life. |
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The researchers studied the barn swallow, Hirundo rustica erythrogaster, which scientists regard as socially monogamous. |
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This was despite the woman's protests she was in a loving and monogamous relationship. |
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A University of Pennsylvania study found higher birth rates in monogamous owl monkeys as it took too long for new partners to bond. |
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Under the countries monogamous law, he would not be allowed to married, as he is already registered as a married man legally. |
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The White-throated Sparrow is a socially monogamous migratory passerine that breeds throughout the boreal forests of North America. |
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Because of this, polyamorists and others should be accepted alongside those with monogamous heterosexual and non-heterosexual relationships. |
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Thus, women in monogamous marriages tend to have many children intended to stop their husbands from being polygynists. |
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The Northern Cardinal is a socially monogamous, dichromatic, year-round resident that exhibits a single annual molt immediately after the breeding season. |
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If humans are indeed a monogamous species, then from an adaptionist perspective, we would expect men to threaten other men who come around their homes. |
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Most mammals are polygynous, but some can be monogamous or polyandrous. |
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The house sparrow is monogamous, and typically mates for life. |
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The prairie vole is monogamous and forms a lifelong pair bond. |
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Stoats are not monogamous, with litters often being of mixed paternity. |
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Avocets and stilts are monogamous and tend to breed in small colonies near water. The nest scrape, into which eggs are placed, is often lined with vegetation. |
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The estrildids are all monogamous and exhibit biparental care. |
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Baleen whales are largely monogamous within each reproductive period. |
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