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Songbirds Duel With Duets

Jennifer Viegas, Discovery News

Sept. 4, 2008 -- Harmonious bird songs may sound pleasant to people, but a new study has found that at least some birds fight by singing, using melodic tweets to defend their relationships and territories.

The study, published in the latest issue of Current Biology, was made possible by eight microphones positioned strategically throughout the dense tropical forests of Costa Rica. The microphones fed the song duets of rufous-an...

© discovery.com, 2008

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