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Experience of the signaller explains the use of social versus personal information in the context of sentinel behaviour in meerkats

机译:信号员的经验解释了猫鼬中前哨行为的背景下社交信息和个人信息的使用

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摘要

To maximise foraging opportunities while simultaneously avoiding predation, group-living animals can obtain personal information on food availability and predation risk and/or rely on social information provided by group members. Although mainly associated with low costs of information acquisition, social information has the potential to be irrelevant or inaccurate. In this study we use playbacks of individually distinct sentinel calming calls produced during sentinel behaviour, a form of coordinated vigilance behaviour, to show that meerkats (Suricata suricatta) discriminate between social information provided by different sentinels and adjust their personal vigilance behaviour according to the individual that is played back. We found that foraging group members acquired the lowest amounts of personal information when hearing social information provided by experienced individuals that act as sentinels most often in their group and littermates. Our study shows that social information can be flexibly used in the context of sentinel behaviour in order to optimize the trade-off between foraging and vigilance behaviours dependent on discrimination among signallers. We also provide novel evidence that the experience of sentinels rather than their age or dominance status is the main factor affecting the extent to which individuals use social information.
机译:为了在最大程度地寻找觅食机会的同时避免捕食,群居动物可以获取有关食物供应和捕食风险的个人信息,和/或依靠群体成员提供的社会信息。尽管主要与信息获取的低成本有关,但是社交信息可能不相关或不准确。在这项研究中,我们使用在哨兵行为(一种协调的警惕行为)中产生的个别不同的哨兵镇静呼叫的回放来表明,猫鼬(Suricata suricatta)可以区分不同哨兵提供的社会信息,并根据个人调整其个人警惕行为播放。我们发现,觅食小组成员在听到由经验丰富的个人提供的社交信息时,获取的个人信息量最少,这些经验丰富的个体在其小组和同窝中最常担任哨兵。我们的研究表明,社会信息可以在前哨行为的背景下灵活使用,以优化觅食者和警惕行为之间的权衡,这些行为取决于信号员之间的区别。我们还提供了新颖的证据,即前哨的经历而不是其年龄或统治地位是影响个人使用社交信息的程度的主要因素。

著录项

  • 期刊名称 Scientific Reports
  • 作者

    R. Rauber; M. B. Manser;

  • 作者单位
  • 年(卷),期 -1(8),-1
  • 年度 -1
  • 页码 11506
  • 总页数 7
  • 原文格式 PDF
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