Počet záznamů: 1

The common cuckoo Cuculus canorus is not locally adapted to its reed warbler Acrocephalus scirpaceus host

  1. 1.
    0349223 - UBO-W 2012 RIV GB eng J - Článek v odborném periodiku
    Avilés, J. M. - Vikan, J. R. - Fossoy, F. - Antonov, A. - Moksnes, A. - Roskaft, E. - Shykoff, J.A. - Moller, A. P. - Jensen, H. - Procházka, Petr - Stokke, B. G.
    The common cuckoo Cuculus canorus is not locally adapted to its reed warbler Acrocephalus scirpaceus host.
    Journal of Evolutionary Biology. Roč. 24, č. 2 (2011), s. 314-325 ISSN 1010-061X
    Výzkumný záměr: CEZ:AV0Z60930519
    Klíčová slova: coevolution * geographical mosaic * local adaptation * mimicry * specialization
    Kód oboru RIV: EG - Zoologie
    Impakt faktor: 3.276, rok: 2011

    We explored the possibility of local adaptation in cuckoo egg mimicry over a geographical mosaic of selection exerted by the reed warbler and investigated whether cuckoos with a broad number of alternative suitable hosts at hand were less locally adapted. Cuckoo eggs showed different degrees of mimicry to different reed warbler populations. However, cuckoo eggs did not match the egg phenotypes of their local host population better than eggs of other host populations, indicating that cuckoos were not locally adapted for mimicry on reed warblers. Interestingly, cuckoos exploiting reed warblers in populations with a relatively larger number of co-occurring gentes showed lower than average levels of local adaptation in egg volume. Our results suggest that cuckoo local adaptation might be prevented when different cuckoo populations exploit more or fewer different host species, with gene flow or frequent host switches breaking down local adaptation where many host races co-occur.
    Trvalý link: http://hdl.handle.net/11104/0189521