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Published online 16 February 2005 | Nature | doi:10.1038/news050214-8
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Social sounds boost bird breeding
Zebra finches base their mating decisions on group consensus.
Birds that live in bunches work each other up into a reproductive frenzy with their songs, according to research that confirms an old hypothesis.
As far back as the 1930s, ornithologists proposed that large, sociable colonies of birds would tend to have earlier, bigger and more closely synchronized clutches of eggs.
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