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Rebekah Christensen, Sonia Kleindorfer. 2009: 澳大利亚Floreana岛达尔文小树雀喙型与其鸣唱的不相关性(英文). 动物学研究, 30(4): 423-428. DOI: 10.3724/SP.J.1141.2009.04423
引用本文: Rebekah Christensen, Sonia Kleindorfer. 2009: 澳大利亚Floreana岛达尔文小树雀喙型与其鸣唱的不相关性(英文). 动物学研究, 30(4): 423-428. DOI: 10.3724/SP.J.1141.2009.04423
Rebekah Christensen, Sonia Kleindorfer. 2009: Bill Morphology Does Not Influence Vocal Performance in Darwin’s Small Tree Finch on Floreana Island. Zoological Research, 30(4): 423-428. DOI: 10.3724/SP.J.1141.2009.04423
Citation: Rebekah Christensen, Sonia Kleindorfer. 2009: Bill Morphology Does Not Influence Vocal Performance in Darwin’s Small Tree Finch on Floreana Island. Zoological Research, 30(4): 423-428. DOI: 10.3724/SP.J.1141.2009.04423

澳大利亚Floreana岛达尔文小树雀喙型与其鸣唱的不相关性(英文)

Bill Morphology Does Not Influence Vocal Performance in Darwin’s Small Tree Finch on Floreana Island

  • 摘要: 鸟类鸣唱的功能通常是吸引配偶,对于建立繁殖隔离也是非常重要的。现有的研究认为鸟类鸣唱表演可能受到鸟类喙型变化的影响。达尔文鸣雀是一类用来验证喙型和鸣唱表演关系的模型物种,前人的研究认为较低的元音演奏与更大的喙相关。本文用在Floreana岛屿生活的达尔文小树雀(Camarhynchus parvulus)来验证喙型和元音演奏的关系。结果显示,喙型大小与元音演奏之间无相关性。这个发现与过去对小树雀中的研究结果相似,但却与达尔文鸣雀中更大体型的鸟类研究结果相反。讨论了研究结果在物种的生态分化和生态变异之间的前后关系。

     

    Abstract: Bird song is used for mate attraction and is important for establishing reproductive isolation. Current research highlights performance constraints on song production that may be influenced by variation in bill morphology. Darwin’s finches are a model system for studying the relationship between morphology and song performance, with previous studies suggesting that lower vocal performance is correlated with larger bill size. Here, we tested for a relationship between bill morphology and vocal performance in Darwin’s Small Tree Finch (Camarhynchus parvulus) on Floreana Island. We found no evidence of a correlation between bill morphology and vocal performance. This finding is in agreement with prior study of the Small Tree Finch, but contrasts a greater body of work addressing song in Darwin’s Finches. We discussed our findings in the context of ecological divergence, and ecological variation across species.

     

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