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Caught on camera: circumstantial evidence for fatal mobbing of an avian brood parasite by a host

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    0525302 - ÚBO 2021 RIV CZ eng J - Journal Article
    Šulc, Michal - Štětková, Gabriela - Procházka, Petr - Požgayová, Milica - Sosnovcová, Kateřina - Studecký, Jan - Honza, Marcel
    Caught on camera: circumstantial evidence for fatal mobbing of an avian brood parasite by a host.
    Journal of Vertebrate Biology. Roč. 69, č. 1 (2020), č. článku 20027. E-ISSN 2694-7684
    R&D Projects: GA ČR(CZ) GA17-12262S
    Institutional support: RVO:68081766
    Keywords : ornithology * behavioural ecology * brood parasitism * nest defence * killing * video evidence
    OECD category: Zoology
    Method of publishing: Open access
    https://bioone.org/journalArticle/Download?fullDOI=10.25225%2Fjvb.20027

    Hosts have evolved a multiplicity of defensive responses against avian brood parasites. One of them is mobbing behaviour which often includes direct contact attacks. These aggressive strikes may not only distract the parasites but may also be fatal to them, as documented by cases of dead brood parasite females found near host nests. Here, we present the first video-recording of a great reed warbler (Acrocephalus arundinaceus) host whose vigorous nest defence appears to directly lead to the death of a female common cuckoo (Cuculus canorus). We suggest that the chance of parasite death probably rises with the presence of unfavourable factors, such as water below the nest. Our observation supports previous suggestions that hosts may pose a lethal danger to their parasites.
    Permanent Link: http://hdl.handle.net/11104/0309476

     
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