Good fences make good neighbours: territorial male Cape fur seals use spatial acoustic map of neighbours

IF 1.2 4区 生物学 Q4 BEHAVIORAL SCIENCES
M. Martin, T. Gridley, S. Elwen, I. Charrier
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引用次数: 0

Abstract

In territorial species, individual recognition among neighbouring males is likely to reduce energy expenses and risk of injury associated with the costly period of maintaining territory during the breeding season. This study explored neighbour–stranger vocal recognition in male Cape fur seals, one of the most colonial and polygynous mammals. Playback experiments revealed that territorial males were able to recognise the calls of their neighbours, in combination with their relative spatial position to their own harem. No ‘dear-enemy’ nor ‘nasty neighbour’ effects were detected. However, the strongest responses observed were towards the calls of familiar neighbours played back from an incongruent location, simulating a situation in which a neighbour is outside its own territory. The colony structure and movements of the seals across the day could explain such results. This study has implications for understanding how vocal signals regulate interactions among males in polygynous mammals, particularly during the competitive mating period.
好围栏造就好邻居:领地雄性开普毛皮海豹使用邻居的空间声学地图
在有领地意识的物种中,邻近雄性之间的个体识别可能会减少能量消耗和在繁殖季节维护领地所带来的伤害风险。这项研究探索了雄性角海狗(一种最具群居性和一夫多妻制的哺乳动物)对邻居和陌生人的声音识别。回放实验显示,有领地意识的雄性能够识别邻居的叫声,结合它们与自己后宫的相对空间位置。没有发现“死敌”和“讨厌的邻居”效应。然而,观察到的最强烈的反应是对熟悉的邻居从一个不一致的位置播放的叫声,模拟邻居在自己的领土之外的情况。海豹在一天中的群体结构和活动可以解释这些结果。这项研究对于理解声音信号如何调节一夫多妻制哺乳动物雄性之间的相互作用,特别是在竞争性交配期间,具有重要意义。
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来源期刊
Behaviour
Behaviour 生物-动物学
CiteScore
1.80
自引率
7.70%
发文量
44
审稿时长
3 months
期刊介绍: Behaviour is interested in all aspects of animal (including human) behaviour, from ecology and physiology to learning, cognition, and neuroscience. Evolutionary approaches, which concern themselves with the advantages of behaviour or capacities for the organism and its reproduction, receive much attention both at a theoretical level and as it relates to specific behavior.
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