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Nature 447, 620-621 (7 June 2007) | doi:10.1038/447620b; Published online 6 June 2007

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DNA reveals how the chicken crossed the sea

Brendan Borrell

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Ancient Polynesians may have brought birds to the Americas.

The discovery of chicken bones with Polynesian DNA at an archaeological site in Chile has added hard, physical evidence to the controversial theory that ancient seafarers from the south Pacific visited the New World long before Columbus.When the Spanish conquistador Francisco Pizarro first visited Peru in 1532, he noted the importance of chickens in the daily lives and religious rituals of the Incas.