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Monogamy may have evolved to prevent infanticide

Science Recorder - Social monogamy, although common in birds, is much less frequent among mammals. Primates, however, tend to be more monogamous than other mammals, with about 27 percent of primate species living in pairs. Scientists have long debated why this should be so. Now, researchers have concluded that monogamy among primates, including humans, evolved because such an arrangement protected infants from being killed by rival males.  Read more.

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