Vocal learning and cultural evolution in temperate and tropical animals
温带和热带动物的声音学习和文化进化
基本信息
- 批准号:RGPIN-2015-05303
- 负责人:
- 金额:$ 4.3万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2016
- 资助国家:加拿大
- 起止时间:2016-01-01 至 2017-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In eight groups of animals on Earth, including humans and songbirds, juveniles learn to communicate by listening to adults. Vocal learning has important consequences for behavioural ecology – for example, learned vocalizations are critical for defending territories and attracting mates – and for evolutionary biology – for example, learning promotes geographic variation and thereby influences population divergence and speciation. Birds provide an outstanding model system for studying vocal learning because they produce diverse vocal signals, because they have short generation times, and because they respond strongly to experimental playback, making it possible to manipulate the learning process. Whereas traditional studies have focused on learning in males, temperate animals, and captive individuals, I propose highly innovative studies on both male and female vocalizations, on both temperate and tropical animals, and on wild animals in their natural environment. With a team of students and postdocs, I will conduct research on two model systems: a population of temperate sparrows where an unusually high return-rate allows us to track birds from birth to adulthood; and a population of tropical wrens where both sexes sing solo songs and coordinated vocal duets. We will teach songs to young birds using arrays of custom-designed loudspeakers that simulate tutors engaged in realistic vocal interactions. In part A of this investigation, we will experimentally investigate new ideas about vocal learning. We will test hypotheses that young animals preferentially learn songs overheard during interactions rather than solo broadcasts; that both an animal’s early acoustic environment and their pre-breeding social environment modifies vocal learning; that young animals preferentially learn high performance songs that are difficult to perform; and that tropical birds learn to perform duets by listening to adults. In part B, we will conduct longitudinal analyses to study vocal learning in tropical wrens. We will test hypotheses that tropical birds exhibit sex-specific vocal lineages, and that tropical birds learn to combine particular songs from their complex vocal repertoires by following “duet codes”. In part C, we will study cultural evolution in both temperate and tropical birds, documenting patterns of acoustic changes through time and space to better understand imitation, innovation, selection, and drift. Uniquely, we will test and refine theoretical models of cultural evolution by quantifying the evolution of songs we introduce using simulated vocal tutors. This body of research will provide groundbreaking insight into the behaviour, ecology, and evolutionary biology of animals, and answer novel questions about vocal learning and cultural evolution. This research will allow me to train many young Canadian scientists, and develop innovative technologies for studying wild animals.
在包括人类和鸣禽在内的地球上的八类动物中,青少年通过倾听成年人的声音来学习交流。发声学习对行为生态学有重要的影响--例如,学习发声对于保卫领地和吸引配偶至关重要--对于进化生物学--例如,学习促进地理变异,从而影响种群分化和物种形成。鸟类为研究发声学习提供了一个出色的模型系统,因为它们能产生不同的声音信号,因为它们的世代时间很短,而且它们对实验回放的反应很强,这使得操纵学习过程成为可能。虽然传统的研究侧重于雄性、温带动物和圈养个体的学习,但我建议对男性和女性发声、温带和热带动物以及自然环境中的野生动物进行高度创新的研究。我将与一个由学生和博士后组成的团队,对两个模型系统进行研究:温带麻雀种群,其异常高的回报率使我们能够跟踪鸟类从出生到成年的整个过程;以及热带乌鸦种群,其中两性都单独唱歌,并协同演唱二重唱。我们将使用定制设计的扬声器阵列来模拟参与真实声音互动的导师,向幼鸟传唱。在这项研究的A部分,我们将对声乐学习的新思路进行实验研究。我们将测试以下假设:幼小动物优先学习在互动中听到的歌曲,而不是单独广播;动物早期的声学环境和它们繁殖前的社会环境都会改变发声学习;幼小动物优先学习难以表演的高性能歌曲;热带鸟类通过听成年动物学习二重唱。在B部分,我们将对热带乌鸦的发声学习进行纵向分析。我们将测试假设,即热带鸟类表现出特定性别的发声谱系,以及热带鸟类通过遵循“二重唱代码”来学习结合它们复杂的声乐曲目中的特定歌曲。在C部分,我们将研究温带和热带鸟类的文化进化,记录声音在时间和空间中的变化模式,以更好地理解模仿、创新、选择和漂移。独一无二的是,我们将通过量化我们使用模拟声乐导师介绍的歌曲的演变来测试和完善文化进化的理论模型。这项研究将为动物的行为、生态学和进化生物学提供开创性的见解,并回答关于发声学习和文化进化的新问题。这项研究将使我能够培训许多年轻的加拿大科学家,并开发研究野生动物的创新技术。
项目成果
期刊论文数量(0)
专著数量(0)
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Mennill, Daniel其他文献
Aggressive responses to playback of solos and duets in a Neotropical antbird
- DOI:
10.1016/j.anbehav.2011.06.021 - 发表时间:
2011-09-01 - 期刊:
- 影响因子:2.5
- 作者:
Koloff, Julianne;Mennill, Daniel - 通讯作者:
Mennill, Daniel
Mennill, Daniel的其他文献
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{{ truncateString('Mennill, Daniel', 18)}}的其他基金
Vocal learning, communication, and the evolution of culture in wild animals
野生动物的声音学习、交流和文化进化
- 批准号:
RGPIN-2020-04839 - 财政年份:2022
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Individual
Vocal learning, communication, and the evolution of culture in wild animals
野生动物的声音学习、交流和文化进化
- 批准号:
RGPIN-2020-04839 - 财政年份:2021
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Individual
Vocal learning, communication, and the evolution of culture in wild animals
野生动物的声音学习、交流和文化进化
- 批准号:
RGPIN-2020-04839 - 财政年份:2020
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Individual
Next-generation acoustic recorders for studies of animal communication, vocal learning, and cultural evolution
用于研究动物交流、声音学习和文化进化的下一代录音机
- 批准号:
RTI-2021-00289 - 财政年份:2020
- 资助金额:
$ 4.3万 - 项目类别:
Research Tools and Instruments
Vocal learning and cultural evolution in temperate and tropical animals
温带和热带动物的声音学习和文化进化
- 批准号:
RGPIN-2015-05303 - 财政年份:2019
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Individual
Vocal learning and cultural evolution in temperate and tropical animals
温带和热带动物的声音学习和文化进化
- 批准号:
RGPIN-2015-05303 - 财政年份:2018
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Individual
Vocal learning and cultural evolution in temperate and tropical animals
温带和热带动物的声音学习和文化进化
- 批准号:
RGPIN-2015-05303 - 财政年份:2017
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Individual
Vocal learning and cultural evolution in temperate and tropical animals
温带和热带动物的声音学习和文化进化
- 批准号:
478022-2015 - 财政年份:2017
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
Vocal learning and cultural evolution in temperate and tropical animals
温带和热带动物的声音学习和文化进化
- 批准号:
478022-2015 - 财政年份:2016
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
Vocal learning and cultural evolution in temperate and tropical animals
温带和热带动物的声音学习和文化进化
- 批准号:
478022-2015 - 财政年份:2015
- 资助金额:
$ 4.3万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
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