Analysis of genetic parentage in the tawny owl (Strix aluco) reveals extra-pair paternity is low

被引：0
作者：
Verena Saladin
Mathias Ritschard
Alexandre Roulin
Pierre Bize
Heinz Richner
机构：
[1] University of Bern,Division of Evolutionary Ecology, Zoological Institute
[2] University of Lausanne,Department of Ecology and Evolution
[3] Glasgow University,Division of Environmental and Evolutionary Biology
来源：
Journal of Ornithology | 2007年 / 148卷
关键词：
Microsatellite; Tawny owl; Extra-pair paternity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We have investigated genetic parentage in a Swiss population of tawny owls (Strix aluco). To this end, we performed genetic analysis for six polymorphic loci of 49 avian microsatellite loci tested for cross-species amplification. We found one extra-pair young out of 137 (0.7%) nestlings in 37 families (2.7%). There was no intra-specific brood parasitism. Our results are in accordance with previous findings for other raptors and owls that genetic monogamy is the rule. Female tawny owls cannot raise offspring without a substantial contribution by their mates. Hence one favoured hypothesis is that high paternal investment in reproduction selects for behaviour that prevents cuckoldry.
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页码：113 / 116
页数：3
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