农村和城市栖息地的奇曼哥狞鸟(Chimango Caracaras)的声乐曲目

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
C. Solaro
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引用次数: 0

摘要

鸟鸣等声音交流在动物生态学中至关重要,有助于繁殖、觅食、防御等。鸟类鸣声的变化可能是适应环境特征(如人为噪音)的结果。对猛禽鸣声的研究基本上是空白,尤其是在城市环境中。这项研究的目的是描述和量化阿根廷拉潘帕省农村和城市地区奇曼哥狞鸟(Milvago chimango)的鸣声曲目。在 2021-2022 年的澳大利亚繁殖季节,我在四个繁殖地(一个农村和三个城市)分别记录了 26 个 1 分钟的声音样本。我记录了 241 次发声,对应九种明显不同的叫声类型。两种类型的叫声分别占50.6%和19.5%,其他七种类型的叫声分别占<10.0%。有三种叫声带有颤音(快速重复的音符)。两种栖息地的平均叫声类型百分比差异显著(P < 0.01),农村栖息地的颤音较多。农村群落的平均鸣叫率为 6.6 ± 5.1 次/分钟,城市群落为 10.7 ± 10.7 次/分钟。发出的不同类型的叫声数量在农村为 2.1 ± 1.6 种/分钟,在城市为 2.7 ± 1.8 种/分钟。在城市地区,奇曼哥狞猫的鸣叫率更高,这可能是它们试图在人为干扰声中提高信号的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Vocal Repertoire of Chimango Caracaras in Rural and Urban Habitats
Acoustic communication, such as bird song, is vital in animal ecology, facilitating reproduction, feeding, defense, and more. Variation in bird song may result from adaptation to environmental features such as anthropogenic noise. The vocal repertoire of raptors is essentially unstudied, particularly in urban environments. The aim of this work was to describe and quantify the acoustic repertoire of Chimango Caracaras (Milvago chimango) in rural and urban areas in La Pampa Province, Argentina. I recorded 26 1-min sound samples at each of four breeding colonies (one rural and three urban) during the austral reproductive season of 2021–2022. I recorded 241 vocalizations corresponding to nine clearly distinct call types. Two types of calls made up 50.6% and 19.5% of the vocalizations and seven others made up <10.0% each. Three call types had trills (fast repetitive notes). Average percentage of call types differed significantly between the two habitats (P < 0.01), with more trills produced in rural habitats. Average calling rate was 6.6 ± 5.1 calls/min at rural colonies and 10.7 ± 10.7 at urban colonies. The number of different call types produced was 2.1 ± 1.6 types/min at rural colonies and 2.7 ± 1.8 at urban colonies. The greater calling rate of Chimango Caracaras in urban areas may represent an attempt to improve signal effectiveness among the anthropogenic acoustic clutter.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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