Big data analysis reveals a novel acoustic feature in birds with single song repertoires, suggesting an honest signal of male quality.
Despite birdsong being one of the most studied models of sexual selection, how it operatesin birds that sing only one song remains poorly understood. A recent study using a big dataapproach reveals a novel aspect of song that may potentially function as an honest signal ofmale quality and a way to maintain listener attention.
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Pralle Kriengwatana (2024) studied this question.
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