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Cultural evolution changes bird song


ScienceDaily

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Thanks to cultural evolution, male Savannah sparrows are changing their tune, partly to attract "the ladies." According to a study of more than 30 years of Savannah sparrows recordings, the birds are singing distinctly different songs today than their ancestors did 30 years ago -- changes passed along generation to generation, according to a new study.LwCj0OG8ALE

 

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