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Stereotypy and variability of social calls among clustering female big-footed myotis(Myotis macrodactylus) 被引量:1
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作者 Yan-Hong Xiao Lei Wang +3 位作者 Joseph R.Hoyt Ting-Lei Jiang ai-qing lin Jiang Feng 《Zoological Research》 SCIE CAS CSCD 2018年第2期114-122,共9页
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... 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. 展开更多
关键词 Social calls CLUSTERING Big-footed myotis
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