Developmental stress, social rank and song complexity in the European starling (Sturnus vulgaris)
Developmental stress, social rank and song complexity in the European starling (Sturnus vulgaris)
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欧洲椋鸟 (Sturnus vulgaris) 的发育压力、社会等级和鸣叫复杂性
DOI：
10.1098/rsbl.2003.0122
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发表时间：
2004
期刊：
影响因子：
--
通讯作者：
C. Catchpole
中科院分区：
文献类型：
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作者：
Karen A. Spencer;Katherine L. Buchanan;Arthur R. Goldsmith;C. Catchpole
鸟类的歌声是一种性别选择的特征，雌性鸟被证明更喜欢唱更复杂歌曲的雄性鸟。然而，为了使曲目大小成为男性素质的真实信号，它必须与某种形式的成本相关联。本实验研究了食物限制和发育过程中的社会地位对欧洲八哥歌唱复杂性的影响。在生命早期经历了不可预测的食物供应的鸟类产生的歌词曲目比那些持续食物供应的鸟类要少得多。发育过程中的社会地位也与曲目大小显著相关，优势鸟类产生更多短语类型。因此，这项研究提供了新的证据，表明社会史和营养史可能在塑造该物种的歌声信号方面起着重要作用。
Bird song is a sexually selected trait and females have been shown to prefer males that sing more complex songs. However, for repertoire size to be an honest signal of male quality it must be associated with some form of cost. This experiment investigates the effects of food restriction and social status during development on song complexity in the European starling (Sturnus vulgaris). Birds that experienced an unpredictable food supply early in life produced a significantly smaller repertoire of song phrases than those with a constant food supply. Social status during development was also significantly correlated with repertoire size, with dominant birds producing more phrase types. This study therefore provides novel evidence that social as well as nutritional history may be important in shaping the song signal in this species.