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Monogamy in animals
Monogamous pairing in animals refers to the natural history of mating systems in which species pair bond to raise offspring. This is associated, usually implicitly, with sexual monogamy.
== Animals ==
The evolution of mating systems in animals has received an enormous amount of attention from biologists. This section briefly reviews three main findings about the evolution of monogamy in animals.
The amount of social monogamy in animals varies across taxa, with over 90% of birds engaging in social monogamy while only 3% of mammals are known to do the same.〔Barash, D.P. & Lipton, J.E. (2001). The Myth of Monogamy. New York, NY: W.H. Freeman and Company.〕
This list is not complete. Other factors may also contribute to the evolution of social monogamy. Moreover, different sets of factors may explain the evolution of social monogamy in different species. There is no one-size-fits-all explanation of why different species evolved monogamous mating systems.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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