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原文連結
論文資訊
- 類型：已發表論文
- 日期：2016
摘要
Birdsong is a complex 文化 and 生物 system, and the selective forces driving 演化ary changes in aspects of song learning vary considerably among 物種. The extent to which repertoire size, the number of syllables or song types sung by a bird, is subject to sexual selection is unknown, and studies to date have provided inconsistent evidence. Here, we propose that selection pressure on the size and complexity of birdsong repertoires may facilitate the construction of a niche in which learning, sexual selection, and song-based homophily may co-evolve. We show, using a review of the birdsong literature and 數學 modeling, that learning mode (open-ended or closed-ended learning) is correlated with the size of birdsong repertoires. Underpinning this correlation may be a form of 文化 niche construction in whic
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