Talking about Finches choose child gender (ScienceAlert)

 

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Talking about Finches choose child gender (ScienceAlert)
Finches choose child gender Monday, 23 March 2009 Macquarie University Birds with red heads were genetically incompatible with black-headedbirds, even though they are the samespecies.Image: Macquarie UniversityResearchers studying the behaviour of the stunningly coloured Gouldian finch have made an exciting discovery – females of the species deliberately overproduce sons when breeding with a male of a different head colour. The two-year study, funded by the Australian Research Council, has produced the clearest evidence yet to show that birds are capable of deliberately biasing the gender of their eggs.

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