社会结构对僧侣声灵活性的影响
Simeon Q Smeele1,2,3, Juan Carlos Senar4, Mary Brooke McElreath1,2
1Cognitive and Cultural Ecology Research Group, Max Planck Institute of Animal Behavior, Radolfzell, Germany.
Royal Society open science
|May 15, 2025
概括
社会复杂性推动了僧侣的声乐多样性. 个人声乐谱的复杂性随着年龄,巢伴侣和群体规模的增加而增加,雌性表现出更多的多样性.
科学领域:
- 动物行为 动物行为
- 生物声学是一种生物声学.
- 进化生物学是进化的生物学.
背景情况:
- 社会复杂性假设认为,社会复杂性驱动着沟通复杂性.
- 研究往往侧重于声乐谱大小的物种级驱动因素 (例如,合作繁殖).
- 声乐多样性的个人级别驱动因素仍未得到充分研究.
研究的目的:
- 研究野生殖民巢物种中声乐多样性的个体级驱动因素.
- 研究僧 (Myiopsitta monachus) 的社交网络,发声和社会结构之间的关系.
主要方法:
- 在两年内记录了337只僧的社交网络和229个人的发声.
- 分析了声音的多样性,呼叫的相似性,亲属关系,年龄,巢的数量,以及社会纽带的强度.
- 与社交网络指标和小组规模相关联的声乐特征.
主要成果:
- 所有个体都表现出高的联系电话多样性.
- 个体声乐多样性随着年龄 (2020) 和巢数量 (2021) 的增加而增加.
- 呼叫相似性与相关性无关;更强的附属债券与更不相似的呼叫相关.
- 女人展示了更多样化的剧目,并产生了更少的联系电话.
- 在2021年,较大群体中的个人有更多样化的剧目.
结论:
- 社会影响在个人层面上显著塑造了声乐的复杂性.
- 社会结构的微小变化影响了表达的声乐多样性.
- 僧侣在呼叫内容和曲目多样性上表现出多方面的社会影响.
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