Study fuels debate about why female birds seek extra mates

When female birds mate with males other than their social partners and have broods of mixed paternity, the offspring sired by these "extra-pair" fathers may often get a head start in life, according to a new report published online on April 30th in Current Biology, a Cell Press publication. The discovery adds fuel to the debate about why some female birds seek those extra mates in the first place.

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<p><a href="http://www.physorg.com/news160323379.html">Study fuels debate about why female birds seek extra mates</a></p> <p>When female birds mate with males other than their social partners and have broods of mixed paternity, the offspring sired by these "extra-pair" fathers may often get a head start in life, according to a new report published online on April 30th in <i>Current Biology</i>, a Cell Press publication. The discovery adds fuel to the debate about why some female birds seek those extra mates in the first place.</p>