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A limit to sustained performance constrains trill length in birdsong

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A limit to sustained performance constrains trill length in birdsong. / Sierro, J.; de Kort, S.R.; Hartley, I.R.
In: iScience, Vol. 26, No. 11, 108206, 17.11.2023.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Sierro J, de Kort SR, Hartley IR. A limit to sustained performance constrains trill length in birdsong. iScience. 2023 Nov 17;26(11):108206. Epub 2023 Oct 30. doi: 10.1016/j.isci.2023.108206

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@article{954687f19928485c8516992748190bf2,
title = "A limit to sustained performance constrains trill length in birdsong",
abstract = "In birds, song performance determines the outcome of contests over crucial resources. We hypothesized that 1) sustained performance is limited within song, resulting in a performance decline towards the end and 2) the impact of song length is compromised if performance declines. To test these hypotheses, we analyzed the songs of 597 bird species (26 families) and conducted a playback experiment on blue tits (Cyanistes caeruleus). Our multi-species analysis showed that song performance declines after sustained singing, supporting our hypothesis. If the performance decline is determined by individual attributes (i.e., physical condition), our results explain how trill length can honestly signal quality. Our experiment showed that longer trills of high performance elicited a stronger response during territorial interactions. However, long trills that declined in performance elicited a weaker response than short, high-performance trills. A trade-off between the duration and performance quality of a motor display can be an important aspect in communication across taxa.",
author = "J. Sierro and {de Kort}, S.R. and I.R. Hartley",
year = "2023",
month = nov,
day = "17",
doi = "10.1016/j.isci.2023.108206",
language = "English",
volume = "26",
journal = "iScience",
issn = "2589-0042",
publisher = "Elsevier Inc.",
number = "11",

}

RIS

TY - JOUR

T1 - A limit to sustained performance constrains trill length in birdsong

AU - Sierro, J.

AU - de Kort, S.R.

AU - Hartley, I.R.

PY - 2023/11/17

Y1 - 2023/11/17

N2 - In birds, song performance determines the outcome of contests over crucial resources. We hypothesized that 1) sustained performance is limited within song, resulting in a performance decline towards the end and 2) the impact of song length is compromised if performance declines. To test these hypotheses, we analyzed the songs of 597 bird species (26 families) and conducted a playback experiment on blue tits (Cyanistes caeruleus). Our multi-species analysis showed that song performance declines after sustained singing, supporting our hypothesis. If the performance decline is determined by individual attributes (i.e., physical condition), our results explain how trill length can honestly signal quality. Our experiment showed that longer trills of high performance elicited a stronger response during territorial interactions. However, long trills that declined in performance elicited a weaker response than short, high-performance trills. A trade-off between the duration and performance quality of a motor display can be an important aspect in communication across taxa.

AB - In birds, song performance determines the outcome of contests over crucial resources. We hypothesized that 1) sustained performance is limited within song, resulting in a performance decline towards the end and 2) the impact of song length is compromised if performance declines. To test these hypotheses, we analyzed the songs of 597 bird species (26 families) and conducted a playback experiment on blue tits (Cyanistes caeruleus). Our multi-species analysis showed that song performance declines after sustained singing, supporting our hypothesis. If the performance decline is determined by individual attributes (i.e., physical condition), our results explain how trill length can honestly signal quality. Our experiment showed that longer trills of high performance elicited a stronger response during territorial interactions. However, long trills that declined in performance elicited a weaker response than short, high-performance trills. A trade-off between the duration and performance quality of a motor display can be an important aspect in communication across taxa.

U2 - 10.1016/j.isci.2023.108206

DO - 10.1016/j.isci.2023.108206

M3 - Journal article

VL - 26

JO - iScience

JF - iScience

SN - 2589-0042

IS - 11

M1 - 108206

ER -