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扭转局面:一只小鸟使用警报声和模仿来欺骗它的巢穴掠食者

Lauren Ascah¹, Branislav Igic¹, Robert Magrath¹

¹Research School of Biology, Australian National University, Canberra, Australian Capital Territory, Australia.

Biology letters

|March 11, 2025

概括

棕色刺使用欺骗性的空中报警呼叫来欺骗皮德currawongs逃跑,允许刺保护他们的孩子. 仿真通过创建一个虚假的警报合唱团来增强这种欺骗.

科学领域:

行为生态学行为生态学
动物沟通动物沟通
跨物种的相互作用跨物种的相互作用

背景情况:

动物使用异种类型的警报呼叫来检测捕食者.
报警呼叫系统可以被用于欺骗目的.
空中报警呼叫通常是对空中威胁的信号,引发立即飞行.

研究的目的:

调查欺骗性报警,调用棕色的刺 (Acanthiza pusilla) 来抵御脚 (Strepera graculina) 的防御.
确定欺骗是否利用掠食者对特定呼叫类型的响应.
评估模仿在增强欺骗性警报中的作用.

主要方法:

使用空中和暴徒报警的回放实验.
对不同类型的警报响应的Pied Currawong反应的观察.
分析了在防御巢的过程中,棘的报警呼叫行为.

主要成果:

在听到纯粹的空中警报电话后,与暴徒电话相比,Pied currawong更有可能逃跑,并延迟了更长时间的食.
在空中呼叫之后,Currawong对模仿警报呼叫的反应是一致的.
棕色的刺虫采用了自我招募和模仿的空中报警呼叫.

结论:

声声欺骗是有效的,利用捕食者对警报声音的意义的天生的反应.
仿真可以通过创造多种警报合唱团的幻觉来增强欺骗.
欺骗性的警报呼叫为鸟类提供了生存优势.

关键词:

报警电话报警电话报警电话欺骗欺骗欺骗偷听偷听偷听偷听偷听巢穴防御防御巢穴防御捕食掠食掠食掠食声乐模仿是一种声乐模仿.

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