Cultural evolution changes bird song
Tuesday, January 29, 2013 - 13:00
in Biology & Nature
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.