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首页> 外文期刊>Journal of Avian Biology >Male and female rufous-and-white wrens do not match song types with same-sex rivals during simulated territorial intrusions
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Male and female rufous-and-white wrens do not match song types with same-sex rivals during simulated territorial intrusions

机译：男性和雌性Rufous-白色的鞭子在模拟领土入侵期间与同性竞争对手的歌曲类型不匹配

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In birds with song repertoires, song-type matching occurs when an individual responds to another individual's song by producing the same song type. Song-type matching has been described in multiple bird species and a growing body of evidence suggests that song-type matching may serve as a conventional signal of aggression, particularly in male birds in the temperate zone. Few studies have investigated song-type matching in tropical birds or female birds, in spite of the fact that avian biodiversity is highest in the tropics, that female song is widespread in the tropics, and that female song is the ancestral state among songbirds. In this study of rufous-and-white wrens Thryophilus rufalbus, a resident neotropical songbird where both sexes sing, we presented territorial males and females with playback that simulated a territorial rival producing shared and unshared songs. In response, both males and females sang matched song types at levels statistically equal to levels expected by chance. Furthermore, males and females exhibited similar levels of aggression and similar vocal behaviours in response to playback of both shared and unshared songs. These results indicate that rufous-and-white wrens do not use song-type matching in territorial conflicts as a conventional signal of aggression. We discuss alternative hypotheses for the function of song-type sharing in tropical birds. In particular, we point out that shared songs may play an important role in intra-pair communication, especially for birds where males and females combine their songs in vocal duets, and this may supersede the function of song-type matching in some tropical birds.
机译：在与歌曲曲目的鸟类中，当个人通过产生相同的歌曲类型时，当个人响应另一首个人的歌曲时，会发生歌曲类型匹配。已经用多只鸟类描述了歌曲型匹配，并且越来越多的证据表明，歌曲型匹配可以作为传统的侵略信号，特别是在温带区的雄性鸟类中。很少有研究在热带鸟类或女性鸟类中调查了歌曲类型匹配，尽管是在热带地区的热带地区最高的禽类生物多样性最高，那么女性歌是在热带地区普遍存在的，而女性歌曲是鸣禽中的祖先州。在这项研究rufous - 白色卷曲rufalbus，一只常驻新歌曲鸟类，两性唱歌，我们都展示了领土男性和女性，播放，模拟了产生共享和非共享歌曲的领土竞争对手。作为回应，雄性和女性在统计上等于偶然的级别的级别匹配歌曲类型。此外，雄性和女性表现出类似的侵略水平和类似的声乐行为，以响应共享和非公共歌曲的播放。这些结果表明，Rufous-ind-White Wrens不使用领土冲突中的歌曲类型与传统的侵略信号。我们讨论热带鸟类中歌曲型共享功能的替代假设。特别是，我们指出，共享歌曲可能在对跨境通信中发挥重要作用，特别是对于男性和女性将他们的歌曲组合在声乐分子中的鸟类，这可能取代在一些热带鸟类中的歌曲型匹配的功能。

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