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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Vocal communication and territoriality during the non-breeding season in amigrant warbler
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Vocal communication and territoriality during the non-breeding season in amigrant warbler

机译：迁徙莺的非繁殖季节的人声交流和地域性

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摘要

The dry forest of Kalakad-Mundanthurai Tiger Reserve is an important habitat for wintering migrant birds. The most common migrant is the greenish leaf warbler, Phylloscopus trochiloides, Individuals defend territories, employing simple call notes to advertise territories, and more complex songs during prolonged negotiations of territory boundaries. Playback experiments using recorded calls suggest that individuals respond equally aggressively to territorial intrusions by neighbours as well as strangers, but neighbour recognition cannot be ruled out, Boundary negotiations appear to be costly, and songs may serve as an indicator of a bird's body condition. Vocalizations are important in establishment of territories, which is a prerequisite for over-winter survival. Vocal behaviour thus influences local population dynamics.
机译：Kalakad-Mundanthurai老虎保护区的干燥森林是越冬迁徙鸟类的重要栖息地。最常见的移民是绿色的莺莺，Phylloscopus trochiloides，个人保卫领土，使用简单的通话记录来宣传领土，并在长时间的领土边界谈判中使用更复杂的歌曲。使用录音通话进行的回放实验表明，人们对邻居和陌生人对领土入侵的反应同样积极，但是不能排除邻居的认知，边界谈判似乎代价高昂，而歌曲可能是鸟类身体状况的指标。发声对建立领土非常重要，这是越冬生存的先决条件。因此，人声行为会影响当地人口动态。

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