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An Experimental Study of the use of Social Information by Prospecting Nocturnal Burrow-Nesting Seabirds

机译:夜间觅食海鸟探究利用社会信息的实验研究

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Abstract. Cues and social information are important in the decisions many animals make to settle. In colonial seabirds, such decisions are based upon information gathered during a prospecting phase, in which for young individuals social information from conspecifics is key. Yet the specific cues that prospectors use, and why, remain debated questions. We used an experimental approach to evaluate a conspecific-attraction hypothesis, predicting that during nocturnal prospecting Ancient Murrelets (Synthliboramphus antiquus) use social information in the form of audio cues. Specifically, we used playback experiments to test whether prospectors use conspecific vocalizations to locate potential breeding sites, and we hypothesized that prospectors' activity should increase during playback of conspecific calls. Using an information-theoretic approach we found that, as predicted, playback increased Ancient Murrelet activity, supporting a conspecific-attraction hypothesis. During playback, activity increased over b...
机译:抽象。提示和社交信息对于许多动物的定居决策至关重要。在殖民地海鸟中,此类决定是基于在勘探阶段收集的信息,在该阶段,对于年轻人而言,来自物种的社会信息至关重要。然而,探矿者使用的具体线索以及为什么仍然是有争议的问题。我们使用了一种实验方法来评估同种吸引的假设,并预测在夜间探矿期间,古代Murrelets(Synthliboramphus antiquus)使用音频提示形式的社交信息。具体来说,我们使用回放实验来测试探矿者是否使用特定的发声来定位潜在的繁殖地点,并且我们假设探矿者的活动在特定调用的回放期间应该会增加。使用信息理论方法,我们发现,如所预测的,回放增加了古代Murrelet的活动,支持了同种吸引的假设。在播放期间,活动增加了超过...

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