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Heterospecific alarm-call recognition in two warbler hosts of common cuckoos

Species facing similar selection pressures should recognize heterospecific alarm signals. However, no study has so far examined heterospecific alarm-call recognition in response to parasitism by cuckoos. In this study, we tested whether two sympatric host species of the common cuckoo Cuculus canorus...

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Autores principales: Yu, Jiangping, Lu, Hailin, Sun, Wei, Liang, Wei, Wang, Haitao, Møller, Anders Pape
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6834739/
https://www.ncbi.nlm.nih.gov/pubmed/31506795
http://dx.doi.org/10.1007/s10071-019-01307-9
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author Yu, Jiangping
Lu, Hailin
Sun, Wei
Liang, Wei
Wang, Haitao
Møller, Anders Pape
author_facet Yu, Jiangping
Lu, Hailin
Sun, Wei
Liang, Wei
Wang, Haitao
Møller, Anders Pape
author_sort Yu, Jiangping
collection PubMed
description Species facing similar selection pressures should recognize heterospecific alarm signals. However, no study has so far examined heterospecific alarm-call recognition in response to parasitism by cuckoos. In this study, we tested whether two sympatric host species of the common cuckoo Cuculus canorus, Oriental reed warbler Acrocephalus orientalis (ORW, main host), and black-browed reed warbler Acrocephalus bistrigiceps (BRW, rare host), could recognize each other’s alarm calls in response to cuckoos. Dummies of common cuckoo (parasite) and Eurasian sparrowhawk Accipiter nisus (predator) were used to induce and record alarm calls of the two warbler species, respectively. In the conspecific alarm-call playback experiments, ORW responded more strongly to cuckoo alarm calls than to sparrowhawk alarm calls, while BRW responded less strongly to cuckoo alarm calls than to sparrowhawk alarm calls. In the heterospecific alarm-call playback experiments, both ORW and BRW responded less strongly to cuckoo alarm calls than sparrowhawk alarm calls. BRW seemed to learn the association between parasite-related alarm calls of the ORW and the cuckoo by observing the process of ORW attacking cuckoos. In contrast, alarm calls of BRW to cuckoos were rarely recorded in most cases. BRW with low parasite pressure still developed recognition of heterospecific parasite-related alarm call. Unintended receivers in the same community should recognize heterospecific alarm calls precisely to extract valuable information. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s10071-019-01307-9) contains supplementary material, which is available to authorized users.
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spelling pubmed-68347392019-11-20 Heterospecific alarm-call recognition in two warbler hosts of common cuckoos Yu, Jiangping Lu, Hailin Sun, Wei Liang, Wei Wang, Haitao Møller, Anders Pape Anim Cogn Original Paper Species facing similar selection pressures should recognize heterospecific alarm signals. However, no study has so far examined heterospecific alarm-call recognition in response to parasitism by cuckoos. In this study, we tested whether two sympatric host species of the common cuckoo Cuculus canorus, Oriental reed warbler Acrocephalus orientalis (ORW, main host), and black-browed reed warbler Acrocephalus bistrigiceps (BRW, rare host), could recognize each other’s alarm calls in response to cuckoos. Dummies of common cuckoo (parasite) and Eurasian sparrowhawk Accipiter nisus (predator) were used to induce and record alarm calls of the two warbler species, respectively. In the conspecific alarm-call playback experiments, ORW responded more strongly to cuckoo alarm calls than to sparrowhawk alarm calls, while BRW responded less strongly to cuckoo alarm calls than to sparrowhawk alarm calls. In the heterospecific alarm-call playback experiments, both ORW and BRW responded less strongly to cuckoo alarm calls than sparrowhawk alarm calls. BRW seemed to learn the association between parasite-related alarm calls of the ORW and the cuckoo by observing the process of ORW attacking cuckoos. In contrast, alarm calls of BRW to cuckoos were rarely recorded in most cases. BRW with low parasite pressure still developed recognition of heterospecific parasite-related alarm call. Unintended receivers in the same community should recognize heterospecific alarm calls precisely to extract valuable information. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s10071-019-01307-9) contains supplementary material, which is available to authorized users. Springer Berlin Heidelberg 2019-09-10 2019 /pmc/articles/PMC6834739/ /pubmed/31506795 http://dx.doi.org/10.1007/s10071-019-01307-9 Text en © The Author(s) 2019 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Original Paper
Yu, Jiangping
Lu, Hailin
Sun, Wei
Liang, Wei
Wang, Haitao
Møller, Anders Pape
Heterospecific alarm-call recognition in two warbler hosts of common cuckoos
title Heterospecific alarm-call recognition in two warbler hosts of common cuckoos
title_full Heterospecific alarm-call recognition in two warbler hosts of common cuckoos
title_fullStr Heterospecific alarm-call recognition in two warbler hosts of common cuckoos
title_full_unstemmed Heterospecific alarm-call recognition in two warbler hosts of common cuckoos
title_short Heterospecific alarm-call recognition in two warbler hosts of common cuckoos
title_sort heterospecific alarm-call recognition in two warbler hosts of common cuckoos
topic Original Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6834739/
https://www.ncbi.nlm.nih.gov/pubmed/31506795
http://dx.doi.org/10.1007/s10071-019-01307-9
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