Diverse patterns of responsiveness to fine temporal features of acoustic signals in a temperate austral forest frog, Batrachyla leptopus (Batrachylidae)

IF 1.5 4区 生物学 Q2 ZOOLOGY
M. Penna, R. Solís, F. N. Moreno‐Gómez
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引用次数: 1

Abstract

ABSTRACT Phonotactic female and vocal male responses of frogs to advertisement calls have been shown to encompass broader ranges than those of variation of natural mate-attracting signals. Anuran aggressive calls contribute to expand the range of sound features significant for communication. Evoked vocal responses (EVRs) of males of Batrachyla leptopus to synthetic advertisement calls and variants with different temporal features altered parametrically were studied to assess their correspondence with features of natural signals. Frogs responded to stimuli differing in note rate with vocal patterns that depended on the design of the synthetic sounds: lower call rates were obtained with stimuli composed of notes with linear rise-fall times deviating from the average of this parameter for natural calls. However, opposite results were obtained with stimuli composed of sinusoidally amplitude-modulated notes. Calls of longer duration resembling aggressive calls were emitted in response to low note rate sinusoidal stimuli. Stimuli with note durations above and below the natural average, stimuli having low pulse rates and a continuous tone also elicited longer calls of aggressive type. These patterns relate the vocal responses recorded to recognition of conspecific and heterospecific advertisement and aggressive calls, as well as to novel signal features.
温带南方林蛙细尾蝙蝠科对声学信号精细时间特征的不同反应模式
摘要研究表明,青蛙对广告叫声的发声雌性和发声雄性反应的范围比自然配偶吸引信号的变化范围更广。Anuran的攻击性呼叫有助于扩大对通信具有重要意义的声音特征的范围。研究了细尾虫雄性对合成广告叫声和具有不同时间特征的变体的诱发声音反应(EVR),以评估其与自然信号特征的对应性。青蛙对音符频率不同的刺激的反应取决于合成声音的设计:由线性上升-下降时间偏离自然叫声参数平均值的音符组成的刺激获得了较低的叫声频率。然而,由正弦调幅音符组成的刺激得到了相反的结果。类似攻击性叫声的持续时间较长的叫声是对低音符率正弦刺激的反应。音符持续时间高于和低于自然平均值的刺激,具有低脉搏率和连续音调的刺激也会引发更长的攻击性叫声。这些模式将记录的声音反应与识别同种和异性广告和攻击性呼叫以及新的信号特征联系起来。
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来源期刊
CiteScore
4.50
自引率
0.00%
发文量
25
审稿时长
>12 weeks
期刊介绍: Bioacoustics primarily publishes high-quality original research papers and reviews on sound communication in birds, mammals, amphibians, reptiles, fish, insects and other invertebrates, including the following topics : -Communication and related behaviour- Sound production- Hearing- Ontogeny and learning- Bioacoustics in taxonomy and systematics- Impacts of noise- Bioacoustics in environmental monitoring- Identification techniques and applications- Recording and analysis- Equipment and techniques- Ultrasound and infrasound- Underwater sound- Bioacoustical sound structures, patterns, variation and repertoires
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