Assessment of predation risk through referential communication in incubating birds.
Assessment of predation risk through referential communication in incubating birds.
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DOI：
10.1038/srep10239
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发表时间：
2015-05-18
影响因子：
4.6
通讯作者：
Suzuki TN
中科院分区：
文献类型：
--
作者：
Suzuki TN
许多鸟类的父母在接近并阻止巢中的捕食者时会发出警报声，以保护他们的后代。警报声已经被证明可以警告雏鸟捕食的威胁，但父母在巢中孵化蛋时也面临类似的捕食风险。在这里，我表明，孵化女性日本大山雀，山雀小，评估捕食风险的同种警报呼叫外的巢腔。山雀产生声学离散报警呼吁不同的巢捕食者：“罐”呼吁蛇和“奇卡”呼吁其他捕食者，如乌鸦和貂。回放实验表明，孵化的女性回应“罐”的电话离开他们的巢，而他们回应“奇卡”的电话看了看巢入口。由于蛇侵入巢穴，逃离巢穴有助于女性避免蛇的捕食。相比之下，“chicka”的叫声用于各种捕食者类型，因此，从巢穴入口向外看有助于雌性收集有关接近捕食者的类型和位置的信息。这些结果表明，孵化的女性从不同类型的报警电话获得有关捕食者类型的信息，提供了一个新的例子功能参考通信。
Parents of many bird species produce alarm calls when they approach and deter a nest predator in order to defend their offspring. Alarm calls have been shown to warn nestlings about predatory threats, but parents also face a similar risk of predation when incubating eggs in their nests. Here, I show that incubating female Japanese great tits, Parus minor, assess predation risk by conspecific alarm calls given outside the nest cavity. Tits produce acoustically discrete alarm calls for different nest predators: “jar” calls for snakes and “chicka” calls for other predators such as crows and martens. Playback experiments revealed that incubating females responded to “jar” calls by leaving their nest, whereas they responded to “chicka” calls by looking out of the nest entrance. Since snakes invade the nest cavity, escaping from the nest helps females avoid snake predation. In contrast, “chicka” calls are used for a variety of predator types, and therefore, looking out of the nest entrance helps females gather information about the type and location of approaching predators. These results show that incubating females derive information about predator type from different types of alarm calls, providing a novel example of functionally referential communication.
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影响因子：
2.5
作者：
Furrer, Roman D.;Manser, Marta B.
通讯作者：
Manser, Marta B.
影响因子：
1.1
作者：
Randler, Christoph
通讯作者：
Randler, Christoph
影响因子：
1
作者：
Barnett, Craig A.;Sugita, Norimasa;Suzuki, Toshitaka N.
通讯作者：
Suzuki, Toshitaka N.
DOI：
10.1098/rspb.2001.1772
发表时间：
2001-12-07
影响因子：
4.7
作者：
Manser, MB;Bell, MB;Fletcher, LB
通讯作者：
Fletcher, LB
影响因子：
2.5
作者：
Suzuki, Toshitaka N.
通讯作者：
Suzuki, Toshitaka N.