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| 1 | 贺兰山岩羊发情期的通讯行为显示文摘动物间的通讯行为对于动物的生存和繁衍具有十分重要的意义。2016年11月—2017年1月在宁夏贺兰山国家级自然保护区对岩羊(Pesudois nayaur)的视觉通讯、触觉通讯、化学通讯以及听觉通讯4个方面进行观察研究,结果表明:在发情期,贺兰山岩羊群体内部存在着极为严格的等级制度,并因此作为获得交配权的依据,雄性间通过刮蹭、打斗等方式来竞争交配权;叫声可分为警戒叫声、雌羊呼唤同伴叫声、幼体呼唤母体叫声以及母体回应幼体叫声,警戒叫声由两个单音节组成,单音节持续时间68~95 ms,频率2 315~9 041 Hz,雌羊呼唤同伴叫声持续时间892~1 209 ms,频率1 672~10 253 Hz,幼体呼唤母体叫声持续时间649~912 ms,频率2 205~15 545 Hz,母体回应幼体叫声持续时间544~660 ms,频率2 426~9 923 Hz。 | 姚绪新 滕丽微 刘振生 | 2018 | 经济动物学报2018，22，4： | 2 |
| 2 | Vocal behavior of Crested Guineafowl(Guttera edouardi) based on visual and sound playback surveys in the Umhlanga Lagoon Nature Reserve,Kwa Zulu-Natal province,South Africa显示文摘Background:Generally speaking,playbacks were often ineffective to determine the group sizes of birds since mainly males from leks responded.This limitation has not been tested properly for flocking birds such as Crested Guineafowl(Guttera edouardi) with the view to use it as a counting method.The aims of the study reported in this paper were(1) to describe the cal s of Crested Guineafowl in a social context;(2) to interpret cal s in an evolutionary context;and(3) to demonstrate that playbacks can be used to locate and count Crested Guineafowl in smal isolated forests.Methods:The vocal behavior of Crested Guineafowl was observed during a survey conducted in the Umhlanga Lagoon Nature Reserve(Kwa Zulu-Natal,South Africa) from November 2010 to June 2012.Transect line observations and sound playback methods were used.Results:The behavioral context and structure of cal s were described.The eight cal s described for Crested Guineafowl were produced mainly to unite flock members in the dense understory,where visibility was poor,and to repel intruders.When not disturbed,Crested Guineafowl were quiet and only made soft contact calls.Conclusions:The high rate of call back and the fact that flocks invariably approach the source of the call en masse,shows that field researchers are able to assess the population size of Crested Guineafowl with sound playbacks along a transect.The value of playbacks as a conservation tool is assessed. | Johann H.van Niekerk | 2015 | Chinese Birds2015，，3： | 0 |
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