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  Genetic mating system and timing of extra-pair fertilizations in the Kentish plover

Küpper, C., Kis, J., Kosztolányi, A., Székely, T., Cuthill, I. C., & Blomqvist, D. (2004). Genetic mating system and timing of extra-pair fertilizations in the Kentish plover. Behavioral Ecology and Sociobiology, 57(1), 32-39. doi:10.1007/s00265-004-0832-3.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-2552-C Version Permalink: http://hdl.handle.net/21.11116/0000-0002-EACF-E
Genre: Journal Article

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Küpper, Clemens1, Author              
Kis, J., Author
Kosztolányi, A., Author
Székely, T., Author
Cuthill, I. C., Author
Blomqvist, D., Author
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1Konrad Lorenz-Institut für Vergleichende Verhaltensforschung, Wien, ou_persistent22              

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 Abstract: It is still unclear why females in many bird species pursue extra-pair copulations. Current hypotheses focus mainly on indirect benefits such as obtaining particular "good genes" for their offspring or maximizing genetic compatibility between themselves and the father of their offspring. Supporting the latter, a recent study of shorebirds suggests that extra-pair matings may function to avoid the negative effects of genetic similarity between mates. Here, we further investigate genetic parentage in the Kentish plover, Charadrius alexandrinus, a shorebird with a highly variable social mating system. DNA fingerprinting revealed that most pairs were genetically monogamous: 7.9% of the broods (7/89) contained extra-pair young, comprising 3.9% of all chicks (9/229). These cases represented, however, three alternative reproductive behaviors: extra-pair paternity, quasi-parasitism (extra-pair maternity) and intraspecific brood parasitism. This is the first study showing the occurrence of all three behaviors in one shorebird species. We also found that extra-pair fertilizations (extra-pair paternity and quasi-parasitism) were more frequent later in the breeding season. There was no consistent relationship between genetic similarity of mates and laying date; the pattern, as well as the degree of genetic similarity, differed among breeding sites within the study population.

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 Dates: 2004
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: Other: WOS:000224754000005
DOI: 10.1007/s00265-004-0832-3
ISSN: 0340-5443
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Title: Behavioral Ecology and Sociobiology
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag
Pages: - Volume / Issue: 57 (1) Sequence Number: - Start / End Page: 32 - 39 Identifier: ISSN: 0340-5443
CoNE: /journals/resource/954925518617