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Published online 6 February 2008 | Nature 451, 617 (2008) | doi:10.1038/451617a
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'Monogamous' vole in love-rat shock
Randy rodent revels in raunchy romps.
By traditionalist standards, prairie-vole couples may enjoy the ideal relationship: the rodents form lifelong partnerships — a highly unusual practice in mammals. Males help raise the children; females help build the nest.
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