Related topics: couples

Polygamous birds shown to have fewer harmful mutations

Bird species that breed with several sexual partners have fewer harmful mutations, according to a study led by the Milner Centre for Evolution at the University of Bath. The study, published in Evolution, shows for the first ...

World's longest-winged birds go easy on older partners

A new study led by the University of Liverpool has found that wandering albatrosses with older partners spend less time on foraging trips than those with more sprightly partners so that their mate has a shorter wait without ...

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