Animal choreography of song and dance: a case study in the Montezuma oropendola, Psarocolius montezuma
Animal choreography of song and dance: a case study in the Montezuma oropendola, Psarocolius montezuma
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动物歌舞编排：蒙特祖玛奥彭多拉 (Psarocolius montezuma) 的案例研究
DOI：
10.1016/j.anbehav.2018.04.006
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发表时间：
2018
期刊：
影响因子：
2.5
通讯作者：
Fuxjager, Matthew J.
中科院分区：
文献类型：
--
作者：
Miles, Meredith C.;Fuxjager, Matthew J.
许多多模态展示结合了舞蹈编排，当动物在展示过程中调节身体运动的时间时，就会发生舞蹈编排。舞蹈编排通常包括将特定的手势与发声相结合。这使得信号发生器能够有效地产生比其隔离的任何一个组件更复杂的显示。此外，一些动物似乎使用一种特殊的舞蹈编排来增强声音表演。因此，扩展多模态框架以整合编排是理解将两个信号合并为一个信号如何影响显示结构的必要步骤。我们在一个自由生活的蒙特祖玛oropendolas的案例研究中探讨了这一点，Psarocolius Montezuma，一种一夫多妻的鸣禽，会表演戏剧性的歌曲和舞蹈。我们发现，这种表演的两个元素（弓和翅膀展开），分别是用歌曲的最大音符（dBmax）和最低峰值频率（LPF）编排的。这表明oropendolas选择性地选择摇摆和翅膀展开的姿势与关键的歌曲元素。有趣的是，一个人的挥杆深度和LPF之间存在相关性，这并不能用体型或社会背景来解释。然而，社会环境确实在频率调制方面预测了声乐表演的差异。同时，展翅性能与dBmax之间无显著相关性。这意味着oropendolas编排他们的摆动姿势来预测LPF，这可能反映了一个人的运动技能，甚至直接影响声乐表演。总之，我们的数据表明，动物可以将不同的舞蹈表现形式融入它们的表演曲目中，其中每个舞蹈表现都是一个机会，可以在以前不存在的情况下产生新的信号。
Many multimodal displays incorporate choreography, which occurs when animals modulate how body movements are timed across the display. Choreography typically involves pairing specific gestures with vocalizations. This allows the signaller to effectively produce a display that is more complex than either of its components in isolation. Moreover, some animals appear to use a special case of choreography that can augment vocal performance. Expanding the multimodal framework to incorporate choreography is therefore a necessary step towards understanding how combining two signals into one impacts a display's structure. We explore this in a case study of free-living Montezuma oropendolas,Psarocolius montezuma, a polygynous songbird that performs a dramatic song and dance. We found that two elements of this display (bow and wing spread), are each choreographed with the song's loudest note (dBmax) and lowest peak frequency (LPF), respectively. This suggests that oropendolas electively time the swing and wing spread gesture with key song elements. Interestingly, there was a correlation between the depth of an individual's swing and LPF, which was not explained by body size or social context. However, social context did predict a difference in vocal performance in terms of frequency modulation. Meanwhile, there was no relationship between wing display performance and dBmax. This means that oropendolas choreograph their swing gesture to predict LPF, which might reflect an individual's motor skill or even directly influence vocal performance. Altogether, our data suggest that animals can incorporate phenotypically distinct forms of choreography into their display repertoire, where each instance of choreography serves as an opportunity to generate a novel signal when one did not exist before.
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DOI：
10.1111/evo.13213
发表时间：
2017-05
期刊：
Evolution; international journal of organic evolution
影响因子：
--
作者：
Miles MC;Cheng S;Fuxjager MJ
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DOI：
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发表时间：
2017
期刊：
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DOI：
--
发表时间：
1997
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