配对状态和刺激类型可以预测雌性子对音频播放的反应
Allison R Lau1,2, Ashley D Cunningham3, Karen L Bales1,2,3,4
1Graduate Group in Animal Behavior, University of California, Davis, One Shields Avenue, Davis, CA, 95616.
Frontiers in ecology and evolution
|April 8, 2024
概括
雌性蒂蒂对社交发声做出反应,在交配前表现出增加的运动和发声. 这些反应,以及荷尔蒙变化,在响应同样特定的呼叫时,表明了领土性.
科学领域:
- 灵长类动物的沟通方式
- 动物行为 动物行为
- 生物声学是一种生物声学.
背景情况:
- 配对灵长类动物利用复杂的声音信号进行 intra-和 inter-group 通信.
- 了解这些信号和个体反应中的信息至关重要.
- 蒂蒂 (Plecturocebus cupreus) 参与了协调的二人组合.
研究的目的:
- 根据配对状态,研究雌性滴滴对声刺激的反应.
- 评估对同类物种呼叫的行为和生理反应.
- 为了确定配对是否会影响对社交音频信号的反应.
主要方法:
- 播放研究涉及6个成年雌性Titi子在交配前和交配后的阶段.
- 刺激包括控制录音,男性独奏发声和双重唱.
- 进行了行为评分 (运动,发声) 和荷尔蒙分析 (皮质醇,雄激素).
主要成果:
- 雌性滴滴比对照对象对社交信号的注意力更大,不管它们的配对状态如何.
- 在播放后,与配对后的时间点相比,雌性在前配对期间表现出增加的三振和运动.
- 配对的个体显示皮质醇和雄激素水平升高.
结论:
- 雌性蒂蒂参加社交音频刺激,基于配对状态的行为反应不同.
- 增加的移动和声声预配对表明对特定呼叫的领土反应.
- 配对个体的荷尔蒙变化进一步支持对社会信号的反应的领土解释.
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