Stereotypy and variability of social calls among clustering female big-footed myotis (Myotis macrodactylus).
Stereotypy and variability of social calls among clustering female big-footed myotis (Myotis macrodactylus).
复制标题
雌性大足鼠耳蝠（Myotis macrodactylus）群体中社会叫声的刻板性和变异性
DOI：
10.24272/j.issn.2095-8137.2018.026
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发表时间：
2018-03-18
影响因子：
4.9
通讯作者：
Feng J
中科院分区：
文献类型：
--
作者：
Xiao YH;Wang L;Hoyt JR;Jiang TL;Lin AQ;Feng J
回声定位蝙蝠已经发展出先进的听觉感知系统，主要使用声音信号来相互交流。他们可以在复杂的行为环境中发出各种社交呼叫。这项研究检查了五只怀孕的大足鼠蝠（Myotis Macrodactylus）的发声曲目。在聚类过程中，最后一个返回群体的个体 (LI) 会发出与行为相关的社交呼叫，并记录在基于 PC 的数字记录器上。最后这些个体可以发出 10 种简单的单音节和 27 种复杂的多音节类型的叫声，构成四种类型的音节。社交呼叫由高度刻板的音节组成，并按一组共同的音节按等级组织。然而，在音节数量、音节顺序和呼叫再现中的音节重复模式方面也发现了特定内的变化。获得的数据用于表征最大通话频率和持续时间中存在的显着个体差异。返回栖息地所需的时间与社交呼唤的多样性呈负相关。我们的研究结果表明，社交叫声的变化可能是个体在重新融入雌性巨指巨指龙群体过程中采取的有效策略。
Echolocating bats have developed advanced auditory perception systems, predominantly using acoustic signaling to communicate with each other. They can emit a diverse range of social calls in complex behavioral contexts. This study examined the vocal repertoire of five pregnant big-footed myotis bats (Myotis macrodactylus). In the process of clustering, the last individual to return to the colony (LI) emitted social calls that correlated with behavior, as recorded on a PC-based digital recorder. These last individuals could emit 10 simple monosyllabic and 27 complex multisyllabic types of calls, constituting four types of syllables. The social calls were composed of highly stereotyped syllables, hierarchically organized by a common set of syllables. However, intra-specific variation was also found in the number of syllables, syllable order and patterns of syllable repetition across call renditions. Data were obtained to characterize the significant individual differences that existed in the maximum frequency and duration of calls. Time taken to return to the roost was negatively associated with the diversity of social calls. Our findings indicate that variability in social calls may be an effective strategy taken by individuals during reintegration into clusters of female M. macrodactylus.
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