A non-vocal alarm? Effects of wing trill playbacks on antipredator responses in the scaled dove

IF 1.1 4区 生物学 Q4 BEHAVIORAL SCIENCES acta ethologica Pub Date : 2021-04-15 DOI:10.1007/s10211-021-00368-9
Paulo Sérgio Amorim, Raphael Igor Dias
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引用次数: 4

Abstract

Animals have evolved a variety of mechanisms to detect and avoid predation. The non-vocal sounds produced by some bird species during takeoff flights have been considered to function as an alarm call, because they may convey information about predation risk. Here, we experimentally investigated the effects of the non-vocal sound (wing trills) produced by the scaled dove (Columbina squammata) on antipredation behaviours of conspecifics. We evaluated the individual response to playbacks of the wing trill stimulus and compared it to the response to other two control stimuli (vocalizations of the scaled dove and the southern house wren). We found that doves’ probability to become vigilant or to display freezing behaviour was higher after a wing trills stimulus in comparison to the other playback stimuli. These results suggest that wing trill production in scaled doves communicate potential risks and are considered by the individuals in the decision-making process, but we cannot rule out the possibility that any takeoff flight sound might also promote antipredator responses.

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非声音警报?翅膀颤音回放对斑鸠反捕食者反应的影响
动物已经进化出各种各样的机制来探测和躲避捕食者。一些鸟类在起飞时发出的非声音被认为是一种警报,因为它们可能传递有关捕食风险的信息。本文通过实验研究了鳞鸽(Columbina squammata)发出的非声音(翅鸣)对同种生物反捕食行为的影响。我们评估了个体对翅膀颤音刺激回放的反应,并将其与其他两种对照刺激(鳞鸽和南方鹪鹩的声音)的反应进行了比较。我们发现,与其他回放刺激相比,受到翅膀颤音刺激后,鸽子变得警惕或表现出冻结行为的可能性更高。这些结果表明,翅鸣的产生传达了潜在的风险,并被个体在决策过程中考虑,但我们不能排除任何起飞飞行声音也可能促进反捕食者反应的可能性。
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来源期刊
acta ethologica
acta ethologica 生物-动物学
CiteScore
1.90
自引率
0.00%
发文量
18
审稿时长
>12 weeks
期刊介绍: acta ethologica publishes empirical and theoretical research papers, short communications, commentaries, reviews and book reviews as well as methods papers in the field of ethology and related disciplines, with a strong concentration on the behavior biology of humans and other animals. The journal places special emphasis on studies integrating proximate (mechanisms, development) and ultimate (function, evolution) levels in the analysis of behavior. Aspects of particular interest include: adaptive plasticity of behavior, inter-individual and geographic variations in behavior, mechanisms underlying behavior, evolutionary processes and functions of behavior, and many other topics. acta ethologica is an official journal of ISPA, CRL and the Portuguese Ethological Society (SPE)
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