在流行追逐中:社交纽带的强度预测了玻璃鼻海豚在合作性伴侣守护期间的声音同步
Emma Chereskin1, Simon J Allen1,2,3, Richard C Connor4,5
1School of Biological Sciences, University of Bristol , Bristol BS8 1TQ, UK.
概括
盟国雄性海豚使用瓶鼻海豚.
科学领域:
- 动物行为 动物行为
- 生物声学是一种生物声学.
- 海洋生物学 海洋生物学
背景情况:
- 对社会动物来说,发声对于分享信息和协调群体行动至关重要.
- 在动物的合作行为中影响声乐行为的因素尚不清楚.
- 盟友的雄性印度太平洋海豚 (Tursiops aduncus) 在合作养雌性动物时使用"流行"声调.
研究的目的:
- 调查社会和非社会因素对同伴雄性海豚在合作牧养期间使用"流行"声调的影响.
- 了解社会纽带和声乐行为如何在合作环境中相互作用.
主要方法:
- 对长期关联数据的分析,以量化亲属雄性海豚之间的社会纽带.
- 收集和分析声学数据以测量"爆发"发声率和发作持续时间.
- 统计检查社会因素 (例如,纽带强度) 和声乐行为 (例如,弹出率,同步) 之间的关系.
主要成果:
- 无论是"流行"发音的速度还是持续时间都没有受到检查的因素的显著影响.
- 拥有更强社会纽带的男性海豚表现出更高的声乐同步率,积极匹配它们的"流行"生产时间.
- 社会纽带的强度被确定为影响合作牧养期间声调协调的关键因素.
结论:
- 玻璃鼻海豚的"流行"发声可能有两种目的:强迫雌性和加强合作雄性之间的社会联系.
- 受社会纽带强度影响的声乐同步,在维持同胞雄性海豚之间的合作中发挥着作用.
- 声学沟通是这种物种社会合作动态不可或缺的一部分.
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