The song of the Willow Warbler Phylloscopus trochilus with special reference to singing behaviour in agonistic situations
The song of the Willow Warbler Phylloscopus trochilus with special reference to singing behaviour in agonistic situations
复制标题
柳莺 Phylloscopus trochilus 的歌曲，特别提到了在竞争情况下的歌唱行为
DOI：
--
复制
发表时间：
1980
期刊：
影响因子：
--
通讯作者：
S. Jakobsson
中科院分区：
文献类型：
--
作者：
Torbjorn Jirvi;Tommy Radesiiter;S. Jakobsson
在领土战斗的歌曲的杨柳莺男性的变化在一些参数从“自发”的歌声听到在不受干扰的情况下。歌声变得更短、更低沉。还有一种特殊类型的歌曲（A歌），其特点是在每首歌曲的开头引入一种特殊的音节类型。虽然有一个相当大的个体间的变化记录在不受干扰和竞争的情况下，A-歌曲之间共享所有研究的领土男性（n = 6）的歌曲。A歌和歌手的公开攻击行为之间也有密切的时间联系，这表明A歌传递的信息增加了歌手攻击对手的可能性。在一系列的播放试验中，当领土男性暴露于录音的“自发”的歌曲类型或A-歌曲有一个明显的倾向，接近扬声器作为一个响应自发的歌曲，而A-歌曲，而不是诱发倾向撤回。因此，一个测试男性以一种方式对A歌和其他歌曲类型作出响应，该方式指示在前者之后已经接收到攻击可能性增加的消息。
During territorial combats the songs of the Willow Warbler male change in a number of parameters from "spontaneous" singing heard in undisturbed situations. The song become shorter, muter and somewhat lower pitched. There is also heard a special type of song (the A-song) which is characterized by the introduction of a special syllable type in the beginning of each song. Although there is a considerable interindividual variation between songs recorded both in undisturbed and agonistic situations the A-song is shared between all studied territorial males (n = 6). There is also a close temporal connection between A-song and overt attack behaviour from the singer indicating that A-song transmit a message of an increased likelihood that the singer will attack his opponent. During a series of play-back trials when territorial males were exposed either to recordings of 'spontaneous" song types or A-songs there was a marked tendency to approach the speaker as a response to spontaneous songs while A-songs instead evoked tendencies to withdraw. Thus, a test male responds to A-song and other song types in a manner which indicates that the message of an increased likelihood of an attack, following the former has been received.